automotive electronics question bank

7/26/2019 Automotive Electronics Question Bank

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UNIT I

FUNDAMENTALS OF AUTOMOTIVE ELECTRONICS

PART A

1. Draw the block diagram of a measuring system.2. Draw the block diagram for a closed loop control system.3. Draw the block diagram for a open loop control system.4. What are the types of control system?5. btain the basic function of control system.!. "ist down the re#uirement of control system.$. %i&e e'ample for closed loop control system.

(. %i&e e'ample for open loop control system.). *ompare open loop and close loop control system.1+. ,ketch and name elements of feedback system.11. -ame few elements of engine management system.12. Draw the block diagram for electronic engine management.13. What is microprocessor control unit?14. What is nti/lock breaking system?15. Write the working principle of hot wire nemometer.1!. What are the different types of bimetallic sensor?1$. "ist down some current trends in 0odern automobiles.1(. What are the &ehicle 0otion a'is in automobiles?1). What is the purpose of throttle sensor?2+. What is temperature sensor?

Part -B

1. Discuss the *urrent trends in 0odern utomobile.2. 'plain the difference between open and close loop control system.3. What are the types of control system and 'plain?4. Discuss the re#uirement of control system in automobile control system.5. Discuss the basic element of feedback control system with its sketch.!. Write about the &arious components of an electronic engine management system.$. 'plain roportional *ontrol ,ystem with neat sketch and its application.(. 'plain roportional ntegral *ontrol ,ystem with block diagram.). 'plain roportional/ ntegral differential *ontrol ,ystem with block diagram.1+. Discuss electronic 0anagement of *hassis ,ystem of automobile.11. Discuss &ehicle motion control in automobile.12. 'plain the nti/lock breaking system with neat sketch.

UNIT II

SENSORS AND ACTUATORS

PART A

1. What are the configurations in operating stepper motor?2. Write the basic steps of the programme to run a stepper motor.3. What are the use of sensor?4. What are the types of sensors?5. What is a stepper motor?!. What is the principle of relay?$. Define ,olenoid.(. What are the factors to be consider for selecting solenoids?). Define actuator 1+. *lassification of actuator based on motion.11. Draw the diagram for the engine crankshaft angular position measurement.12. What is o'ygen sensor?13. ,ketch the diagram for o'ygen sensor and specify the details.14. What is crank angle sensor?

15. Draw the engine crank angle position measurement.1!. What is fuel metering sensor?1$. What is detonation sensor?1(. What is the purpose for magnetic reluctance position sensor?1). Draw the output &oltage wa&eform for the 0agnetic reluctance *rankshaft position sensor cell.2+. Define sensor.

PART- B

1. 'plain the principles of operation of a stepper motor with neat diagram.2. 'plain the basic sensor arrangement in automobile.3. With the aid of a neat sketch e'plain the construction and theory of operation of a typical o'ygen sensor used in &ehicle.4. 'plain the 0agnetic reluctance *rankshaft position sensor.5. 'plain the switching characteristics of o'ygen sensor.!. 'plain the crank angle osition sensor in automobile.$. 'plain the fuel metering ehicle sensor in automobile.

(. 'plain the ehicle ,peed ,ensor in automobile.). 'plain the Detonation sensor in automobile.1+. ,ketch and e'plain the working of solenoids and relay as actuators in &ehicle.

UNIT III

PART A

1. What is carburettor?2. ,tate the 6eedback carburettor 768*9 system.


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3. What are the main components of 0 6 system?4. ,tate the air intake system in carburettor?5. What is throttle body in:ection system?!. What is the purpose of idle air control &al&e?$. What is the purpose of air intake system in carburettor?(. ,tate the fuel deli&ery system). What are the &arious control de&ices used in electronic control system in 0 6 ?1+. What are the ad&antage of electronic ignition system?11. ,ketch the throttle body in:ection system.12. ,ketch the port in:ection system.

13. What are the two types of multiport fuel in:ection system?14. ,tate D/0 6 .15. ,tate "/0 6 .1!. ,tate the difference between throttle body in:ection and port fuel in:ection.1$. Draw the schematic layout of an electronic petrol in:ection system.1(. ,ketch the components of electronic fuel in:ection.1). ,tate the 0ultiport in:ection system.2+. What is the purpose of spark ad&ance control system?21. ,tate the knock detection control.22. What is ignition timing?23. What are the types of ignition systems?24. What is electronic ignition system?

Part -B

11. 'plain the 6eedback carburettor system with neat sketch.12. 'plain the throttle body in:ection system with neat sketch.13. 'plain the point fuel in:ection system with neat sketch.14. 'plain the fuel in:ection system control.15. 'plain the 8reak point type ignition system with neat sketch.1!. 'plain the magnetic pulse type ignition system with neat sketch.1$. 'plain the lectronic ignition system.1(. 'plain the contactless electronic ignition system.1). 'plain the working principle and operation of 0 6 system.2+. 'plain the working principle and operation of throttle body in:ection system.21. 'plain the electronic spark timing control with neat sketch.

UNIT IV

PART A

1. What are the &arious types of sensors used to control the automobile engine?2. ,ketch the block diagram for digital engine control system?3. ,tate open loop control system.4. ,tate closed loop control system.5. What is engine crank?!. What is engine warm/up?$. What is acceleration enrichment?(. What is deceleration leaning?). What is the purpose of stepper motor in idle speed control?1+. What is correction factor?11. ,ketch the graph for closed loop correction factor.12. ,ketch the block diagram for idle air control.13. ,ketch the block diagram for closed loop control system.14. ,ketch the block diagram for %; control system.15. ,ketch the block diagram for secondary air control system.1!. ,tate the secondary air management.1$. What is compression ratio?

1(. What is &al&e timing?1). What is catalytic con&erter?2+. Draw the block diagram for Distributor less ignition system.

Part -B

1. 'plain the open loop control system with neat block diagram.2. 'plain the closed loop control system with neat block diagram.3. 'plain the following

7i9 ngine *ranking7ii9 ngine warm up *ontrol

4. 'plain the following7i9 cceleration nrichment and Deceleration7ii9 dle ,peed control

5. 'plain the distributorless ignition system with neat block diagram.!. 'plain the integrated engine control system with neat sketch.

$. 'plain the following terms in e'haust emission control7i9 ngine design and *ombustion chamber design7ii9 *ompression ;atio and al&e timing

(. 'plain the following terms in e'haust emission control7i9 0anifold design and gnition ,ystem7ii9


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). 'plain the following terms in e'haust emission control7i9 *atalytic *on&erters7ii9 'haust gas recirculation

1+. *ompare closed loop and open loop control system and also with block diagram.UNIT V

PART A

1. ,tate the electromagnetic compactibility.2. What are the ways in electromagnetic fields to be coupled into &ehicle electronics?3. What is common mode?4. What is difference mode?

5. ,tate the function of speedometer.!. ,ketch the layout of D6 o'ygen sensor circuit.$. What is fault code?(. ,tate some fault code obtained from o'ygen sensor?). What is on/board diagnosis system?1+. What is diagnosis system?11. ,tate the anti locking breaking system.12. ,tate the central locking system.13. ,tate the function of electronic window system.14. What are the types of control system?15. ,tate lateral control system.1!. ,tate longitudinal control system.1$. What is lane departure warning system?1(. ,tate parallel parking system.1). ,tate lane keeping assist system.2+. ,tate rear parking assist system.21. ,tate adapti&e cruise control system.

art /81. 'plain the anti/lock breaking system with neat sketch.2. 'plain the lateral control systems.3. 'plain the longitudinal control system.4. 'plain the following

7i9 *entral locking system7ii9 lectronic windows system

5. 'plain the cruise control system with neat sketch.!. 'plain the electromagnetic compatibility.$. 'plain the &arious instruments in automobile dash board.(. 'plain the common mode and differential mode with neat sketch.). 'plain the in&estigation of radiated magnetic field with neat block diagram.1+. 'plain the following

7i9 "ane keeping ssist system7ii9 "ane departure warning system

11. 'plain the following7i9 ;ear parking assist system7ii9 dapti&e cruise control system

12. 'plain the on board diagnosis system with e'ample.

automotive electronics question bank

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