Anna University Question Papers for Automobile Engineering

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Anna university question papers for Automobile Engineering ( AU ) department/branch semester examination. Download old papers, solved question banks, important questions with answers, Model question papers, important 16marks and 2marks questions with answer, syllabus, reference book for each subject for B.E / B.Tech 2008, 2010 and 2013 regulation for Anna university Chennai, Coimbatore, Tiruchirappalli/Trichy, Tirunelveli and Madurai affiliated colleges.

Find previous year questions papers listed subject wise below in the order first - 1st, second - 2nd, third - 3rd, fourth - 4th, fifth - 5th, sixth - 6th, seventh - 7th and eighth - 8th semesters. All documents are in PDF format for downloading.

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First  & Second Semester Papers:
    3rd SEMESTER - Third:

    Transforms and Partial Differential Equation - MA2211
    Engineering Thermodynamics - ME2202/AT2203
    Fluid Mechanics and Machinery - ME2204
    Automotive Engines - AT2201
    Mechanics of Machines - AE2201
    AE 2253 Production Technology

    MA6351 Transforms and Partial Differential Equations
    ME6301 Engineering Thermodynamics
    CE6451 Fluid Mechanics and Machinery
    AT6301 Automotive Engines
    AT6302 Mechanics of Machines
    ME6352 Manufacturing Technology

    4th SEMESTER - Fourth:

    Statistics And Numerical Methods - MA2266
    AT 2251 Applied Thermodynamics and Heat Transfer
    Engineering Materials and Metallurgy - ME2253
    Strength of Materials - ME2254
    Electronics and Microprocessors - ME2255
    AT 2252 Automotive Chassis

    MA6452 Statistics and Numerical Methods
    AT6401 Applied Thermodynamics and Heat Transfer
    ME6403 Engineering Materials and Metallurgy
    CE6306 Strength of Materials
    EC6464 Electronics and Microprocessors
    AT6402 Automotive Chassis

    5th SEMESTER - Fifth:

    Environmental Science and Engineering - GE 2021
    Design of Machine Elements - ME2303
    Automotive Transmission - AT2301
    Automotive Electrical and Electronic System - AT2302

    AT2303 Vehicle Design and Data Characteristics
    AT2305 Automotive Fuels and Lubricants


    GE6351 Environmental Science and Engineering
    ME6503 Design of Machine Elements
    AT6501 Automotive Transmission
    AT6502 Automotive Electrical and Electronics System
    AT6503 Vehicle Design Data Characteristics
    AT6504 Automotive Fuels and Lubricants



    6th SEMESTER - Sixth:
    Transport And Management
    AT2351 Automotive Engine Components Design
    AT2352 Automotive Chassis Components Design

    Two and Three Wheelers - AT2353

    Finite Element Analysis - ME2353
    Professional Ethics in Engineering / Professional Ethics And Human Values - GE2025
    AT2021 Automotive Air-conditioning
    AT2022 Alternate Fuels and Energy Systems
    AT2023 Vibration , Noise and Harshness Control
    AT2024 Advanced Theory of I.C. Engines
    ME2021 Quality Control and Reliability Engineering
    AT2037 Metrology and Instrumentation


    MG6851 Principles of Management
    AT6601 Automotive Engine Components Design
    AT6602 Automotive Chassis Components Design
    AT6603 Two and Three Wheelers
    AT6604 Vehicle Dynamics
    GE6075 Professional Ethics in Engineering
    AT6001 Automotive Air-Conditioning
    AT6002 Alternative Fuels and Energy System
    AT6003 Noise, Vibration and Harshness
    AT6004 Advance Theory of IC Engines
    AT6005 Metrology and Instrumentation

    7th SEMESTER - Seventh:

    AT2401 Engine and Vehicle Management System
    AT2402 Vehicle Dynamics
    AT2403 Vehicle Maintenance
    AT2404 Automotive Pollution and Control
    ME2030 Composite Materials
    ME 2029 Design of Jigs, Fixtures and Press Tools
    ME2028 Robotics
    AT2029 New Generation and Hybrid Vehicles
    AT2028 Computer Simulation of I.C. Engines
    AT2026 Supercharging And Scavenging
    AT2027 Automotive Aero-dynamics
    AT2030 Off Road Vehicles
    AT2031 Project and Materials Management
    AT2032 Engine Auxiliary Systems

    Automotive Embedded Systems
    AT6701 Engine and Vehicle Management System
    ME6603 Finite Element Analysis
    AT6702 Vehicle Maintenance
    AT6703 Automotive Pollution and Control
    AT6006 Manufacturing of Automotive Components
    ME6006 Design of Jigs, Fixtures and Press Tools
    ME6010 Robotics
    AT6007 New Generation and Hybrid Vehicles
    AT6008 Computer Simulation of IC Engines
    ME6007 Composite Materials and Mechanics
    AT6009 Automotive Aerodynamics
    AT6010 Off Road Vehicles
    AT6011 Automotive Safety
    AT6012 Engine Auxiliary Systems

    8th SEMESTER - Eighth:

    AT2451 Vehicle Body Engineering
    MG2021 Marketing Management

    Entrepreneurship Development - ME2035
    ME2038 Operations Research
    Total Quality Management - GE 2022
      AT2033 Automotive Safety
      AT2034 Fuel Cell Technology

      Transport Management - AT2035
      AT6801 Vehicle Body Engineering
      AT6013 Transport Management
      MG6071 Entrepreneurship Development
      ME6015 Operations Research
      GE6757 Total Quality Management

        High Voltage Engineering 6th ND11 EE2353

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        B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.
        Sixth Semester
        Electrical and Electronics Engineering
        EE 2353 — HIGH VOLTAGE ENGINEERING
        (Regulation 2008)

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        PART A — (10 × 2 = 20 marks)

        1. What are the causes of over voltages in power system?
        2. What is counter poise wire? Give its use.
        3. Write the Paschens law.
        4. What are two main reasons for long term break down in composite dielectrics?
        5. Give the specifications for standard impulse wave.
        6. What are the advantages of cascaded transformer method?
        7. What is Rogowski coil? Give its limitations.
        8. What are the limitations of series resistance micro ammeter method?
        9. What are the tests conducted on surge arrester?
        10. What is insulation coordination?

        PART B — (5 × 16 = 80 marks)

        11. (a) (i) Give the origin and characteristics of switching surges and explain the causes of over voltage due to switching surges in EHV and UHV system. (10)
        (ii) Explain the control measures for over voltage due to switching surge. (6)
        Or
        (b) Elaborate the discussion on protection of power system equipments using protective devices. (16)

        12. (a) Explain in detail the breakdown mechanism in non-uniform fields and phenomenon of Corona.(16)
        Or
        (b) (i) Describe the ageing and breakdown in composite dielectrics due to partial discharge. (8)
        (ii) Describe the thermal breakdown mechanism of solid dielectrics. (8)

        13. (a) (i) Explain the operation of simple voltage doubler circuit. (4)
        (ii) Discuss the principle of operation of vande graff generator with neat sketch. (12)
        Or
        (b) (i) How the impulse current is generated using capacitor bank. Explain in detail. (8)
        (ii) Write a brief note on resonant transformer method. (8)

        14. (a) Tabulate and explain the methods used for the measurement of high voltages and high currents. (16)
        Or
        (b) With neat sketch explain the sphere gap arrangement method of high voltage measurement and give the factors influencing the measurement. (16)

        15. (a) Explain the power frequency and impulse voltage test conducted on bushings. (16)
        Or
        (b) Discuss the dielectric power factor test and partial discharge test conducted on high voltage cables. (16)

        Signal and System 3rd AM10 EC2204

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        B.E./B.Tech. DEGREE EXAMINATION, APRIL/MAY 2010
        Third Semester
        Electronics and Communication Engineering
        EC2204 - SIGNALS AND SYSTEMS
        (Regulation 2008)



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        PART A — (10 × 2 = 20 Marks)

        1. Define unit impulse and unit step signals.
        2. When is a system said to be memory less? Give an example.
        3. State any two properties of Continuous – Time Fourier Transform.
        4. Find the Laplace transform of the signal ) ( ) ( t u e t x at - = .
        5. State the convolution integral for continuous time LTI systems.
        6. What is the impulse response of two LTI systems connected in parallel?
        7. State the Sampling theorem.
        8. State the sufficient condition for the existence of DTFT for an aperiodic sequence ) (n x .
        9. Define one sided Z-transform and Two-sided Z-transform.
        10. Define the shifting property of the discrete time unit Impulse function.

        PART B — (5 × 16 = 80 Marks)

        11. (a) Distinguish between the following:
        (i) Continuous Time Signal and Discrete Time Signal. (4)
        (ii) Unit step and Unit Ramp functions. (4)
        (iii) Periodic and Aperiodic signals. (4)
        (iv) Deterministic and Random signals. (4)
        Or
        (b) (i) Find whether the signal ) 1 4 ( sin ) 1 10 ( cos 2 ) ( - - + = t t t x is periodic or not. (4)
        (ii) Find the summation ?8
        (iii) Explain the properties of unit impulse function. (4)
        (iv) Find the fundamental period T of the continuous time signal

        12. (a) (i) Find the trigonometric Fourier series for the periodic signal ) (t x shown in the figure given below : (10)
        (ii) Explain the Fourier spectrum of a periodic signal ) (t x . (6)
        Or
        (b) (i) Find the Laplace transform of the signal ) ( ) ( ) ( t u e t u e t x bt t a - + = - - . (8)
        (ii) Find the Fourier transform of t e t x - = ) ( for 1 1 = = - t otherwise 0 = . (8)


        13. (a) (i) Explain the steps to compute the convolution integral. (8)
        (ii) Find the convolution of the following signals: (8)
        ) ( ) ( 2 t u e t x t - =
        ) 2 ( ) ( + = t u t h .
        Or
        (b) (i) Using Laplace transform, find the impulse response of an LTI system described by the differential equation
        (ii) Explain the properties of convolution integral. (8)

        14. (a) (i) Find the Fourier Transform of
        (ii) Explain any four properties of DTFT. (8)
        Or
        (b) (i) Find the Z-transform of the given signal ) (n x and find ROC.
        ( ) ( ) sin ( ) o
        x n w n u n = ? ? ? ? . (10)

        (ii) Describe the sampling operation and explain how aliasing error can be prevented. (6)
        15. (a) (i) Find the impulse response of the discrete time system described by the difference equation
        ) 1 ( ) ( 2 ) 1 ( 3 ) 2 ( - = + - - - n x n y n y n y . (8)
        (ii) Discuss the block diagram representation for LTI discrete time systems. (8)
        Or
        (b) (i) Describe the state variable model for discrete time systems. (8)
        (ii) Find the state variable matrices A, B, C, D for the equation
        ) 2 ( 6 ) 1 ( 5 ) ( ) 2 ( 2 ) 1 ( 3 ) ( - + - + = - - - - n x n x n x n y n y n y . (8)

        Electrical Machines I AM11 EE2251

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        B.E./B.Tech. DEGREE EXAMINATION, APRIL/MAY 2011
        Fourth Semester
        Electrical and Electronics Engineering
        EE 2251 - ELECTRICAL MACHINES - I
        (Regulation 2008)

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        PART A — (10 × 2 = 20 marks)

        1. What are the three types of basic rotating electric machines?
        2. A conductor 80 cm long moves at right angle to its length at a constant speed of 30 m/s in a uniform magnetic field of flux density 1.2 T. Find the emf induced
        when the conductor motion is normal to the field flux.
        3. Which equivalent circuit parameters can be determined from the open-circuit test on a transformer?
        4. The emf per turn for a single-phase 2200/220 V, 50 Hz transformer is 11 V. Calculate the number of primary and secondary turns.
        5. Based on the principle of conservation of energy, write an energy balance equation for a motor.
        6. What are the three basic principles for the electromechanical energy conversion?
        7. What is magnetic leakage flux?
        8. Why is the efficiency of a three-phase induction motor less than that of a threephase transformer?
        9. Draw the circuit model of dc shunt motor.
        10. What is the function of no-volt release in a three-point starter?

        PART B — (5 × 16 = 80 marks)

        11. (a) (i) Discuss in detail the magnetic circuits and the electrical analog of magnetic circuits. (10)
        (ii) What is eddy-current? Explain in detail the eddy-current loss. (6)
        Or
        (b) (i) Explain the power losses that occur in a magnetic material when it undergoes cyclic magnetization. (10)
        (ii) The total core loss of a specimen of silicon steel is found to be 1500 W at 50 Hz. Keeping the flux density constant the loss becomes 3000 W when the frequency is raised to 75 Hz. Calculate separately the hysteresis and eddy current loss at each of those frequencies. (6)

        12. (a) The following data were obtained on a 20 kVA, 50 Hz, 2000/200 V distribution transformer :
        Voltage (V) Current (A) Power (W)
        OC test with HV open-circuited 200 4 120
        SC test with LV short-circuited 60 10 300
        Draw the approximate equivalent circuit of the transformer referred to the HV and LV sides respectively. (16)
        Or
        (b) (i) A 3-phase transformer bank consisting of three 1-phase transformers is used to step-down the voltage of a 3-phase, 6600 V transmission line. If the primary line current is 10 A, calculate the secondary line voltage, line current and output kVA for the following connections :
        (1) / Y and
        (2) Y / . The turns ratio is 12. Neglect losses. (8)
        (ii) A 20 kVA, 2500/500 V, single-phase transformer has the following parameters :
        HV winding : r1 = 8 and x1 = 17
        LV winding : r2 = 0.3 and x2= 0.7
        Find the voltage regulation and the secondary terminal voltage at full load for a pf of 0.8 lagging and 0.8 leading. The primary voltage is held constant at 2500 V. (8)

        13. (a) (i) Describe the flow of energy in electromechanical devices. (6)
        (ii) Discuss about the field energy and coenergy in magnetic system.(4)
        (iii) The magnetic flux density on the surface of an iron face is 1.6 T which is a typical saturation level value for ferromagnetic material. Find the force density on the iron face. (6)
        Or
        (b) A doubly-excited magnetic field system has coil self- and mutualinductances of L11 = L22 = 2H and L12 = L21 = ? cos Where ? is the angle between the axes of the coils.
        (i) The coils are connected in parallel to a voltage source t V v m ? sin = .
        Derive an expression for the instantaneous torque as a function of the angular position ?. Find there from the time-average torque.
        Evaluate for ? = 30°, t v 314 sin 100 = . (8)
        (ii) If coil 2 is shorted while coil 1 carries a current of t I i
        m
        ? sin 1
        = ,
        derive expressions for the instantaneous and time-average torques. Compute the value of the time-average torque when ? = 45° and
        t i 314 sin 2 1
        = . (8)

        14. (a) (i) A 3-phase, 50 Hz. star-connected alternator with 2-layer winding is running at 600 rpm. It has 12 turns/coil, 4 slots/pole/phase and a coil-pitch of 10 slots. If the flux/pole is 0.035 Wb sinusoidally
        distributed, find the phase and line emfs induced. Assume that the total turns/phase are series connected. (8)
        (ii) A 4-pole, lap-wound dc machine has 728 armature conductors. Its field winding is excited from a dc source to create an air-gap flux of 32 mWb/pole. The machine (generator) is run from a prime mover
        (diesel engine) at 1600 rpm. It supplies a current of 100 A to an electric load.
        (1) Calculate the electromagnetic power developed. (4)
        (2) What is the mechanical power that is fed from the primemover to the generator? (2)
        (3) What is the torque provided by the prime mover? (2)
        Or
        (b) (i) A 3-phase, 50 kW, 4-pole, 50 Hz induction motor has a winding (ac) designed for delta connection. The winding has 24 conductors per slot arranged in 60 slots. The rms value of the line current is 48 A.
        Find the fundamental of the mmf wave of phase-A when the current is passing through its maximum value. What is the speed and peak value of the resultant mmf/pole? (12)
        (ii) A 4-pole synchronous generator driven at 1500 rpm feeds a 6-pole induction motor which is loaded to run at a slip of 5%. What is the motor speed? (4)

        15. (a) (i) A 220 V dc generator supplies 4 kW at a terminal voltage of 220 V. the armature resistance being 0.4 . If the machine is now operated as a motor at the same terminal voltage with the same
        armature current, calculate the ratio of generator speed to motor speed. Assume that the flux/pole is made to increase by 10% as the operation is changed over from generator to motor. (6)
        (ii) A 220 V, 7.5 kW series motor is mechanically coupled to a fan. When running at 400 rpm the motor draws 30 A from the mains (220 V). The torque required by the fan is proportional to the square
        of speed. Ra = 0.6 , Rse = 0.4 . Neglect armature reaction and rotational loss. Also assume the magnetization characteristic of the motor to be linear.
        (1) Determine the power delivered to the fan and torque developed by the motor. (5)
        (2) Calculate the external resistance to be added in series to the armature circuit to reduce the fan speed to 200 rpm. (5)
        Or
        (b) A 250-V dc shunt motor has Rf = 150 and Ra = 0.6 . The motor operates on no-load with a full field flux at its base speed of 1000 rpm
        with Ia = 5 A. If the machine drives a load requiring a torque of 100 Nm, calculate armature current and speed of motor. If the motor is required to
        develop 10 kW at 1200 rpm what is the required value of the external series resistance in the field circuit? Assume linear magnetization. Neglect saturation and armature reaction. (16)

        Power system operation and control 7th ND12 EE2401

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        B.E/B. Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2012.
        B.E Electrical and Electronics Engineering
        Seventh Semester
        Ee 2401/ee 71/10133 ee 701- power system operation and control
        (Regulation 2008)

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        Part-A

        1)Define the term "maximum demand".
        2)Define "load curve".
        3)What are the types of automatic load frequency control for interconnected power system?
        4)What is automatic load dispatching?
        5)What are the different types of reactive power compensation?
        6)Define "Booster transformer"?
        7)What is incremental cost criterion?
        8)Name some thermal constraints in unit commitment problem?
        9)What is "SCADA"?
        10)Define network topology in a power system?

        Part-B

        11) a) i) A generating station has the following daily load cycle.
        Time(hrs) 0-6 6-10 10-12 12-16 16-20 20-24
        Load(MW) 40 50 60 50 70 40
        Draw the load curve and find
        1)Max demand
        2)Units generated/day
        3)Average load
        4)Load factor.
        ii)Explain the types of load forecasting?
        or
        b) Explain the important objectives of powe system and various control strategies during its operation.

        12) a) With a neat block diagram,explain the single area load frequency control system.
        or
        b) i) Discuss the integration of economic dispatch control with automatic generation control.
        ii) Derive an expression for load sharing between two alternators.What are the effects of fuel supply and change of excitation?

        13) a)i) Discuss the relation between voltage and reactive power at a node.
        ii) Explain briefly the reactive power requirement for control of voltage in long radial lines.
        or
        b) Explain the methods of voltage control in a transmission system
        i) By transformer tap setting
        ii)By Booster transformer.

        14) a) i)Explain the lambda iteration method for finding the solution of economic dispatch including transmission losses with a neat flowchart.
        ii) A generating unit has two 200 MW units whose input cost data is as follows :
        F1=0.004P1^2+2.0P1+80 Rs/hr
        F2=0.006P2^2+1.5P2+100 rs/ hr
        For a total load of 250MW ,find the load dispatch between the two units for economic operation.
        or
        b)i)EXPLAIN the priority list method for unit commitment problem.
        ii)Define
        1)Minimum up time
        2)Minimum down time
        3) Spinning reserve.

        15.a) Discuss the functions of SCADA in power system operations.
        or
        b)Enumerate the various operating states and the control strategies of a power system.

        Special Electrical Machines 7th EE2403 ND12

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        Question Paper Code : 13009
        B.E/B. Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2012.
        B.E Electrical and Electronics Engineering
        Seventh Semester
        Ee 2403/ee 73/10133 eee25-special electrical machines
        (Regulation 2008)

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        Part-a

        1)Give some potential applications of synchronous reluctance machine?
        2)Write the various design parameters of a synchronous reluctance machine?
        3)Calculate the stepping angle of a 3 phase,24 pole permanent magnet stepper motor?
        4)Define torque constant of a stepper motor?
        5)Why SR machines popular in adjustable speed drives?
        6)What is the significance of rotor position sensor is essential for the operation of SR motors?
        7)Compare and contrast conventional DC motors and PMBLDC motors?
        8)A permanent magnet DC commutator motor has a stalling torque of 1 Nm.The stall current is 5 A.Compute the motors no-load speed if it is fed with 28 V DC supply?
        9)Brief-up the advantages of load commutation in permnanent magnet synchronous synchronous motors?
        10)What is maeant by self control?

        PART-B

        11. a) Describe in detail,the speed-torque and torque-angle characteristics of synchronous reluctance motors with phasor diagrams.(16)
        (OR)
        b)Explain the construction and working principle of synchronous reluctance motors in detail,with neat structural diagrams.(16)

        12. a) i) Discuss in detail,about the construction ad working principle of variable reluctance stepper motors.(8)
        ii) A single stack,3 phase variable reluctance motor has a step angle of 15 degrees.Find the number of stator and rotor poles.(8)
        (OR)
        b) i) What is the motor torque Tm required to accelerate an initial load of 2 x 10^-4 from 500 Hz to 1500 Hz in 50 ms.The frictional torque is 0.03Nm and step angle is 1.18 degrees.(8)
        ii)Write a detailed technical note on the bipolar drives for stepper motors.(8)

        13. a) i) Enumerate the various operating modes of SR motors with neat diagrams.(8)
        ii) Discuss in detail,about the microprocessor based control of SR motor drives.(8)
        (OR)
        b) i) Explain the Torque-speed characteristics of switched reluctance motors(8)
        ii) Derive the expressions for voltage and torque of SR machines.(8)

        14. a) i) Describe the constructonal aspects of mechanical and electronic commutators of permanent magnet brushless DC motors.(8)
        ii) A PMBLDC motor has a torque constant of 0.12 Nm/A referred to DC supply.Find the motor no-load speed when connected to 48 V DC supply.Find the stall current and stall torque if armature resistance is 0.15 ohms/phase and drop in controller resistance is 2 V.(8)
        (OR)
        b) i) A permanent magnet DC commutator motor has a no-load speed of 600 rpm when connected to a 120 DC supply.The armature resistance is 2.5 ohms and rotational and iron losses may be neglected.Determine the speed when the supply voltage is 60 V and the torque is 0.5 Nm.(8)
        ii) Illustrate in detail,the operation of PMBLDC motor with 180 degrees magnet arcs and 120 degrees square-wave phase currents.(8)

        15. a) i) Discuss the different rotor configurations of PM synchronous machines.(8)
        ii) Derive the expression for the torque developed in a brushless permanent magnet synchrnous motors.
        (OR)
        b) Write a detailed technical note on the foolowing : (16)
        i) Vector control of brushless permanent magnet synchrnous motors.
        ii) Microprocessor based control.

        ANATOMY AND HUMAN PHYSIOLOGY 3rd ND2011 Reg2010

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        Question Paper Code : 13009
        B.E/B. Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.
        B.E.-Biomedical Engineering
        Third Semester
        149306 – ANATOMY AND HUMAN PHYSIOLOGY
        (Regulation 2010)

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        PART A – (10*2=20 marks)

        1. What is facilitated diffusion?
        2. Define active transport.
        3. What are the importances of carbohydrate in determining ABO antigens?
        4. What are the functions of RBC?
        5. What are the adverse effects of carboxyhemoglobin?
        6. Write the determination of glomerular filtration rate.
        7. What is coronary heart disease?
        8. What are the effects of potassium and calcium ions on heart function?
        9. What is the importance of electrencephalography?
        10. What is Neurotransmitters and give few examples?

        PART B – (5*16+80 marks)

        11. (a) (i) Describe eukaryotic cell structure and its organelles. (8)
        (ii) Elaborate cytoskeleton types and function in detail. (8)
        Or
        (b) Describe the cell membrane organization and origin of membrane potential arises from ion channels and ion pumps.

        12. (a) Discuss in detail about composition of blood.
        Or
        (b) (i) What are the function of B & T lymphocytes, macrophages and granulocytes?(8)
        (ii) What are the interrelationships among blood pressure, flow and Resistance? (8)

        13. (a) (i) Explain structure and function of nephron. (8)
        (ii) Write the principe and mechanism of hemodialysis. (8)
        Or
        (b) (i) Decribe transport of O2 and CO2 by hemoglobin and factors Affecting this transport. (10)
        (ii) Write a short note on acid-base regulation in the body. (6)

        14. (a) (i) Describe the structure and physiology of heart. (8)
        (ii) Elaborate cardiac cycle. (8)
        Or
        (b) (i) What are effects of sympathetic and parasympathetic stimulation on Cardiac function. (8)
        (ii) Describe the electrical conduction system of the heart. (8)

        15. (a) (i) Describe anatomy of synapses. (8)
        (ii) Write a short note on neuromodulation. (8)
        Or
        (b) Elabrote organization and function of the visual cortex.

        Electronics devices and circuits 3rd ND11 Reg 2010

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        B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.
        B.E. - Electrical and Electronics Engineering
        Third Semester
        131303 - ELECTRONIC DEVICES AND CIRCUITS
        (Regulation 2010)

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        PART A — (10 x´ 2 = 20 marks)

        1. Define Drift current.
        2. Define zener breakdown voltage.
        3. Draw the configuration of CB,CE &CC.
        4. What are Optocouplers?
        5. Compare FET and JFET.
        6. Sketch the Darlington pair of CE.
        7. What are feedback amplifiers.
        8. List any two applications of the differential amplifier.
        9. Sketch the clamper circuit.
        10. Categorize the types of Multi vibrators.

        PART B — (5 ´x 16 = 80 marks)

        11. (a) (i) Explain the V-I Characteristics of PN junction diode. (8)
        (ii) Explain the principle of operation of a Full wave rectifier. (8)
        Or
        (b) (i) Explain how Zener diode acts as a Voltage Regulator. (12)
        (ii) Compare LCD and LED. (4)

        12. (a) Sketch neatly the circuit diagram of a CE configuration transistor,discuss its operation, characteristics and compare it with the other modes of operation. (16)
        Or
        (b) (i) Derive the Hybrid model for a CE Amplifier. (12)
        (ii) What are Power transistors? (4)

        13. (a) Discuss in detail about the Working and operation of JFET and explain about the I/O Characteristics. (16)
        Or
        (b) (i) Explain the operation and Characteristics of an Enhancement mode MOSFET. (8)
        (ii) Explain the operation and Characteristics of a Depletion mode MOSFET. (8)

        14. (a) Explain the working of differential amplifier in both common and differential mode. (16)
        Or
        (b) (i) Explain the operation of voltage (series/shunt) feed back amplifier.(12)
        (ii) List the different types of oscillators and briefly explain any one type of oscillator. (4)

        15. (a) Explain the working and operation of a Monostable Multi vibrator with a neat circuit diagram. (16)
        Or
        (b) (i) Explain the operation of a Schmitt trigger with neat diagram. (8)
        (ii) Explain the operation of UJT saw tooth oscillator with suitable diagram. (8)

        Measurements and Instrumentation 3rd ND11 131301

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        B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.
        B.E – Electrical and Electronics Engineering
        Third Semester
        131301 - MEASUREMENTS AND INSTRUMENTATION
        (Regulation 2010)

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        PART A — (10 ´ 2 = 20 marks)

        1. Define gross error with an example.
        2. A meter reads 127.50 V and the true value of the voltage is 127.43 V determine the static error correction for this instrument.
        3. Find the angle between the voltage and current when the readings of two watt meters are 2000 W and 500 W.
        4. Mention any two advantages of Moving Iron Instruments.
        5. Mention the applications of AC potentiometers.
        6. Why the earth pin in the 3 pin socket is larger is size?
        7. Mention any four important specifications of CRO.
        8. What are the disadvantages of magnetic tape recorder?
        9. What is meant by smart sensors?
        10. What are the applications of LVDT?

        PART B — (5 ´ 16 = 80 marks)

        11. (a) (i) Draw the fundamental block diagram of the analog and digital instrumentation systems and explain each block in details. (14)
        (ii) Classify the static characteristics. (2)
        Or
        (b) (i) Explain the secondary standard of emf (Westoncell) with necessary diagram. (8)
        (ii) Classify and explain the various types of errors. (8)

        12. (a) (i) Explain the principle of dual slope integrating type digital voltmeter with neat diagram. (10)
        (ii) Compare and contrast the analog and digital meters. (6)
        Or
        (b) (i) Explain the construction of single phase energy meter. (8)
        (ii) Explain the principle of Vibrating reed frequency meter in detail. (8)

        13. (a) (i) Explain with necessary diagram how the resistance can be measured using the D.C. potentiometer. (6)
        (ii) How the power can be measured using self balancing bridge explain with necessary diagram? (10)
        Or
        (b) (i) What are the methods available for reducing earth resistance? How to measure earth resistance and soil resisitivity? (8)
        (ii) Write short notes on electrostatic interference and electromagnetic interference. (8)

        14. (a) With neat diagram explain the principle of operation of Digital CRO with sampling methods in detail. (16)
        Or
        (b) (i) Compare the LED and LCD display. (6)
        (ii) Explain the working of Dot matrix printer. (10)

        15. (a) (i) Explain the active and passive analog and digital transducers. (6)
        (ii) Explain the principle of capacitive level sensor. (6)
        (iii) What are the applications of piezoelectric transducer? (4)
        Or
        (b) (i) Explain the principle of successive approximation type ADC with neat sketch. (8)
        (ii) What is data acquisition system? Explain the various types of signal conditioning in DAS. (8)

        Environmental Science and Engineering 5th ND11 GE2021

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        B.E/B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011
        FIFTH SEMESTER
        GE 2021 - Environmental Science and Engineering
        MECHANICAL ENGINEERING
        [REGULATION 2008]

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        PART-A- [2 marks each]

        1. Differentiate between food chain and food web.
        2. Define Genetic diversity and species diversity.
        3. Classify the sources of Air Pollution.
        4. What is marine pollution?
        5. Define Food Security.
        6. What are the factors that contribute to land degradation?
        7. What is sustainable development?
        8. State the effects of Acid rain?
        9. Define the term doubling time in connection with population growth.
        10. Differentiate between HIV and AIDS.

        PART-B

        11.(a) (i). Explain the role of producers, consumers and decomposers in an ecosystem. [Marks 8]
        (ii). What are the major factors that are responsible for the loss of biodiversity? Explain [Marks 8]
        (or)
        (b) Explain the characteristics features of
        (i). Forest Ecosystem [Marks 8]
        (ii). Aquatic ecosystem Marks 8].

        12.(a) (i). Explain the activated sludge process with a flow diagram. [Marks 8]
        (ii). What is BOD? Explain how BOD is determined for a wastewater. [Marks 8]
        (or)
        (b) (i). What is noise? How is noise pollution controlled? Suggest suitable steps. [Marks 8]
        (ii). Discuss the role of an individual in pollution prevention. [Marks 8]

        13.(a) (i). Explain the environmental effects of Deforestation. [Marks 8]
        (ii). Discuss the benefits and problems of dams. [Marks 8]
        (or)
        (b) (i). Enumerate the adverse effects of Modern Agriculture on soil and water sources. [Marks 8]
        (ii). What is renewable energy? Write a brief note on any two energy sources. [Marks 8]

        14.(a) (i). Discuss the ways to minimize radiation exposure in case of a nuclear accident. [Marks 8]
        (ii). Explain the salient feature of the Environmental (protection) Act, 1986 [Marks 8]
        (or)
        (b) (i). Discuss the chemistry of ozone depletion. [Marks 8]
        (ii). What is rain water harvesting? How are the rain water harvesting methods classifieds? Briefly explain. [Marks 8]

        15.(a) (i). Draw a typical population pyramid of developing country and discuss. [Marks 8]
        (ii). Explain the Environmental problems posed by population explosion. [Marks 8]
        (or)
        (b) (i). Explain the steps that are being taken in India to impart the value education [Marks 8]
        (ii). Discuss the role of Information Technology in the protection of Environment and Human Health. [Marks 8]

        APPLIED GEOLOGY 3rd ND11 AG2211

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        B.E./B.Tech.> DEGREE EXAMINATION, NOVEMBER/DECEMBER
        Third Semester
        Civil Engineering
        AG 2211 - APPLIED GEOLOGY (Regulation 2008)

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        PART A — (10 × 2 = 20 Marks)

        1. Give a brief account of the Earth’s interior.
        2. What are the effects of weathering on the engineering properties of rocks?
        3. Write the chemical composition, physical properties and uses of Calcite.
        4. List the properties of petroleum bearing reservoir rocks.
        5. Write about the mineral composition, origin and properties and uses of basalt.
        6. Bring out the differences between dolerite and pegmatite.
        7. Briefly describe Dip and Strike of rocks use a neat diagram.
        8. What is the difference between the Wenner and Schlumberger methods?
        9. Define the terms ‘overlap’ and ‘parallax’.
        10. Give the functions of a breakwater.

        PART B — (5 × 16 = 80 Marks)

        11. (a) Explain  the  work  of  a  river  and  describe  the  various  erosional  and depositional landforms created by a river.
        Or
        (b) How are earthquakes caused? Give an account of the earthquake belts in
        India.

        12. (a) Give a detailed account of the chemical composition, physical properties, origin, occurrence, engineering behaviour and uses of the clay minerals.
        Or
        (b) Describe the varieties, composition, properties, origin & Indian occurrences of coal.

        13. (a) Describe the mineral composition, texture, origin, engineering properties and uses of Granite, Limestone, Quartzite and Schist.
        Or
        (b) List the various laboratory and field tests to be carried out to determine the engineering properties of rocks.

        14. (a) Classify  folds  and  faults  in  rocks  and  explain  how  they  influence  the design of dams.
        Or
        (b) Write an elaborate account of the seismic methods of investigation in civil engineering.


        15. (a) Classify  aerial  photographs   and  explain  in  detail  their  role  in  civil engineering surveys.
        Or
        (b) Give a detailed account of the types of landslides,  the causative  factors and the methods to prevent landslides.

        Fundamentals of Computing and Programming Jan13 GE2112

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        B.E./B.Tech. DEGREE EXAMINATIONS, JANUARY 2013
        First semester
        (Common to all branches)
        GE 2112/CS 16 – FUNDAMENTALS OF COMPUTING AND PROGRAMMING
        (Regulation 2008/2010)

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        PART A- (10 X 2 = 20 marks)

        1. Give the classification of computers.
        2. Convert the (756)10 to octal and hexa decimal.
        3. What are the various types of software?
        4. What is a protocol?
        5. What is a pseudocode?
        6. Define: algorithm.
        7. Write any four escape sequences in C?
        8. Distinguish between while… and do…while statement.
        9. What is a pointer?
        10. Write any four features of arrays.

        PART B-(5 x 16= 80 marks)

        11. (a) (i) Explain the characteristics of computers. (8)
        (ii) Discuss the evolution of computers. (8)
        OR
        (b) Explain the basic organisations of computer with suitable block diagram. (16)

        12. (a) Explain the steps of software developments with suitable example. (16)
        OR
        (b) (i) Discuss the following internet terminologies (8)
        1) Band width
        2) FTP
        3) IP Address
        4) Modem
        (ii) Write some of the internet applications. (8)

        13. (a) (i) Draw the flowchart for finding the roots of a quadratic equation. (8)
        (ii) Write an algorithm to find the largest of three numbers. (8)
        OR
        (b) Discuss in detail about the features of office packages. (16)

        14. (a) (i)Explain different data types in C with examples. (8)
        (ii) Discuss about bitwise operators and logical operators in C. (8)
        OR
        (b) (i) Explain any four format string with examples. (4)
        (ii) Write the syntax of "for construct" in C. Give an example. (4)
        (iii) Write a C program to count the letters in a sequence of characters. (8)

        15. (a) (i) Write a C program to sort the given set of numbers in ascending order. (8)
        (ii) Discuss about any eight built-in functions. (8)
        OR
        (b) (i) Write the syntax of the structure declaration in C program. Give example. (4)
        (ii) Distinguish between structure and union. (4)
        (iii) Write a C program to find the addition of two matrices. (8)

        Engineering CHemistry I Jan13 CY2111

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        B.E./B.Tech. DEGREE EXAMINATIONS, JANUARY 2013
        First semester
        (Common to all branches except Marine Engineering)
        CY 2111-ENGINREERING CHEMISTRY- I
        (Regulation 2008/2010)

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        PART A- (10 X 2 = 20 marks)

        1. Define alkalinity in water. How is alkalinity classified?
        2. Distinguish between soft water and demineralised water.
        3. What is copolymerisation? Give an example.
        4. How is Teflon prepared? Mention its uses.
        5. Write the difference between physisorption and chemisorption.
        6. Give the principle of ion exchange adsorption.
        7. What are fissile nucleides and fertile nucleides?
        8. What are secondary cells? Give an example.
        9. How are refractories classified? Give one example each.
        10. Name some important methods of manufacture of CNTs.

        Part B- (5 x 16 = 80 marks)

        11. (a) (i) Descibe the methods of internal treatment of boiler water. (8)
        (ii) Draw and explain break point chlorination. (8)
        OR
        (b) (i) Explain the following boiler troubles: (8)
        (1) Scales and Sludges
        (2) Caustic embrittlement.
        (ii) What is desalination? Explain one method of desalination in detail. (8)

        12. (a) (i) Define the terms monomer and functionality. Explain condensation polymerisation with a suitable example. How does it differ from chain polymerisation? (8)
        (ii) Discuss the preparation, properties and uses of polycarbonates and poly ethylene terephthalate. (8)
        OR
        (b) (i) What are thermoplastics and thermosetting plastics? Distinguish between the two. (8)
        (ii) What are the drawbacks of raw rubber? Describe the process to improve the properties of raw rubber in detail. (8)

        13. (a) (i) Enumerate the factors influencing adsorption of gasses on solids. (8)
        (ii) Derive an expression for Langmuir adsorption isotherm. What are its limitations? (8)
        OR
        (b) (i) Explain the role of Ni catalyst in the hydrogenation of ethylene. What is the role of promoters in catalysis? (8)
        (ii) Describe the process of treatment of effluent by activated sludge process. Give any four applications of activated carbon. (8)

        14. (a) (i) What are nuclear chain reactions? Explain how the amount of nuclear energy can be improved. (8)
        (ii) explain the construction and working of a lead acid battery. (8)
        OR
        (b) (i) What are fuel cells? Explain the construction and working of a fuel cell. (8)
        (ii) State the principle and application of solar batteries. (8)

        15. (a) (i) Explain the following properties of a lubricant: (8)
        (1) Viscosity and viscosity index
        (2) Flash and fire point
        (ii) What are abrasives? Explain Mohs scale of hardness. How is silicon carbide prepared? (8)
        OR
        (b) (i) Explain the manufacture of alumina and magnesite bricks. (8)
        (ii) Write a note on solid lubricants. (8)

        Engineering Physics I Jan13 PH2111

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        B.E./B.Tech. DEGREE EXAMINATIONS, JANUARY 2013
        First semester
        (Common to all branches)
        PH 2111-ENGINREERING PHYSICS- I
        (Regulation 2008/2010)

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        PART A- (10 X 2 = 20 marks)
        1. What is acoustic grating?
        2. What is inverse piezoelectric effect?
        3. Explain stimulated emission.
        4. Name any 2 uses of lasers in medicine.
        5. Define total internal reflection.
        6. Calculate the numerical aperture and hence the acceptance angle for an optical fibre whose core and cladding has refractive index of 1.59 and 1.40 respectively.
        7. Give the significance of wave function.
        8. Write Plancks radiation formula.
        9. What are Bravais lattices?
        10. What are lattice parameters of cell?

        PART B- (5 x 16 = 80 marks)

        What is the phenomenon of magnetostriction? Using that phenomenon explain how high frequency sound waves are produced. (2 + 10)
        A nickel crystal of length 10 cm with density 8.1 x 103 kg/m3 and Youngs modulus 8.2 x 1011 N/m2 is used in a magnetostrictive oscillator. Determine the fundamental frequency of the ultrasonic waves generated. (4)
        OR
        Explain in detail how a A- scan technique is employed to locate a defect. (12)
        Find the depth of a submarine if an ultrasonic pulse reflected from the submarines is received 0.33 sec after sending out the ultrasonic waves. Given the sound velocity in sea water is 1440 m/sec. (4)

        Describe the construction and working of CO2 laser and their uses. (16)
        OR
        Describe the construction and working of He-Ne laser and their uses. (16)

        Give an account of fibre optic communication system and its advantages. (16)
        OR
        Discuss about the variable types of optical fibres. (16)

        Give an account of Scanning Electron Microscope. (16)
        OR
        Derive Schrodinger time dependent wave equation. (16)

        What are Miller indices? Show that for a cubic lattice the distance between two successive (h k l) planes is given by d=a/v(h^2+l^2+k^2 ) (4+12)
        OR
        Calculate the number of atoms per unit cell, coordination number and packing factor for F.C.C. and B.C.C. structures. (4+4+4+4)

        Transforms and partial Differential Equations ND12 MA2211

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        Question Paper Code : 11485
        B. E. /B. Tech. DE GREE EXAMINATION, NOVEMBER/DECEMBER 2012.
        Third Semester -Civil Engineering
        MA 2211/MA 3144/CK 201110L77 MA 301/080100008/080210001/
        MAU 211/ETMA 927I - TRANSFORMS AND PARTIAL DIFFERENTIAL
        EQUATIONS
        (Common to all branches)
        (Regulation 2008)

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        PARTA-(10 x2=2Omarks)

        1. Find the co-efficient b, of the Fourier series for the function f (x) = r sin r in (-2,2).
        2. Define Root Mean Square value of a function /(r) over the interval (a, b).
        3. Find. the Fourier transform of e-"|*l , o, O .
        4. State convolution theorem in Fourier transform.
        5. Eliminate the arbitrary function 'f from ' " = f'\(*Z)) and form the PDE.
        6. Soive : (D - 1)(D- D +l)z =A.
        7. An insulated rod of length 60 cm has its ends at A and B maintained at 20'C and 80oC respectively. Find the steady state solution ofthe rod.
        8. Aplateisboundedbythelines *=0, !=0, x=l and y=l.Its facesare insulated. The edge coinciding with r-axis is kept at 100"C. The edge coinciding with y-axis is kept at 50oC. The other two edges are kept at 0'C. Write the boundary conditions that are needed for solving two dimensional heat flow equation.
        9. Find the Z-transform of a" .
        10. Solve Jn+r*2yn =0, given that y(0) =2.

        PARTB-(5x16=80marks)

        11. (a) (, Find the Fourier series expansion of f (x) = x * x2 in (-r, n) . (8)
        (ii) Find the Fourier series expansion of .:1x1={x^' 0 < r < 1 . anso
        Or
        (b) (i) Obtain the half range cosine series for f (x) = x in (0, o). (8)
        (ii) Find the Fourier series as far as the second harmonic to represent the function /(r) with period 6, given in the following table : (8)

        For rest of the question paper please download the PDF from the above link. Thanks