MODEL QUESTION PAPER
SUBJECT : Automobile engineering SUBJECT CODE :_______
TIME : THREE HOURS TOTAL MARKS : 100
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Note : 1) Section – I is compulsory .
2) Answer any two full questions from section – II, III & IV
3)
Section – I
Q – 1 ) a) Fill in the blanks with appropriate words 1X5= 5
i) Using the liners in cylinder block___________the life of the cylinder block
ii) The vibration is more in __________ cooled engines
iii) Lead Acid battery is used for ______________.
iv) __________ is used for transferring power to back wheel.
v) ___________ is used to spread and level the ground.
b) Explain with line diagram working of internal expanding brake 5 Marks
SECTIO N – II
Q – 2) a) State the functions of piston rings 5 Marks
b) Distinguish between dry liner and wet liner 5 Marks
c) State the different valves and explain any one 5 Marks
Q – 3) a) Explain briefly the pump circulation system 5 Marks b) State the advantages and disadvantages of air cooling over water cooling system
4 marks
c) Explain briefly high pressure lubrication system 6 Marks
Q- 4) a) Distinguish between Octane number and Cetane number. 05
b) State the types of carburetors and with sketch explain the working of simple carburetor
10 marks
SECTION – III
Q – 5) a) Explain the working of multipoint fuel injection system 05 Marks
b) Explain the working of battery ignition system 10 Marks
Q- 6) a) Explain the working of electronic ignition system. 06 Marks
b) Explain briefly the different lights used in automobile 04 Marks
b) List the advantages of electronic ignition system 05 Marks
Q- 7) a) Explain briefly the working of multi plate clutch 07 Marks
b) State the different types of gear boxes and explain constant mesh gear box
08 Marks
SECTION – IV
Q – 8) a) Explain with sketch working of differential with sketch 09 Marks
b) Explain the Caster, camber and king pin inclination 06 Marks
Q- 9) a) Explain necessity of suspension system. 04 Marks
b) Explain with sketch the working of telescopic shock absorber. 08 Marks
c) List the applications of tractor 03 Marks
Q-10) a) Write short notes on the following: ( 5 x 3 ) = 15
i) Special vehicles.
ii) Fuel injector
iii) Centrifugal clutch
iv) Disc brake
