Automotive Electronics, Question Paper of B.Tech 6 Semester, Download Previous Years Question Paper 2

B. Tech. (Sem. - 6‘“)

AUTOMOTIVE ELECTRONICS AND MICROCONTROLLERS

SUBJECT CODE: AE - 310

Paper ID: [Ao723]

Time: 03 Hours                                    Maximum Marks: 60

Instruction to Candidates:

1) Section - A is Compulsory.

2) Attempt any Four questions from Section - B.

3) Attempt any Two questions from Section - C.

Section - A

Q1)

a) Draw a labeled schematic symbol of a common emitter transistor and briefly discuss its voltage-current characteristics?

b) A memory chip has 8 data lines and 16 address lines. What will be its size?

c) What is the purpose of PSEN pin connection in 8051 microcontroller?

d) What is the difference between ‘continuous injection’ and ‘pulsed injection’ in SI engines?

e) Why is the electronic ignition system better suited especially for modern automotive engines?

f) List the various sensors employed in electronic transmission management system?

g) What are the advantages of using electronically controlled shock absorbers in automobiles?

h) What is the difference between three-channel and four-channel ABS?

i) Differentiate between antilock braking system and traction control system.

j) What do you understand by key-less entry in cars?

Section - B

Q2) With the aid of sketch explain the construction and working of Mass Air Flow sensor.

Q3) Discuss the microcontroller based control of a stepper motor.

Q4) Discuss the function and working of a Hall-effect type timer used in electronic ignition systems.

Q5) Discuss the main system components of modern common rail fuel injection system.

Q6) What are the functions performed by electric motor in hybrid vehicles? List the various types of hybrid vehicles.

Section – C

Q7)  What do you understand by anti-lock braking? Draw a schematic diagram showing major components of an ABS in a car. Discuss the role of the different components in the functioning of ABS.

Q8) Compare electronic petrol injection technique with carburetor method. Classify the types of petrol injection systems based upon the location and number of injectors.

Q9) Discuss the various components of an electronic transmission control system. What are its advantages and disadvantages over manual transmission systems?