230/2015

Maximum : 100 marks

Time : 1 hour and 15 minutes

1. The petrol engine is working on :
(A) Constant Pressure Cycle (18) Constant Volume Cycle
(@) Carnot Cycle (D) None of the above

2. The main difference in operation of petrol engine from diesel engine is that :
(ಗಿ) draws air fuel mixture during suction
(ए) draws only air during suction
(C) inlet valve closes during compression
(D) exhaust valve opens during exhaust stroke

3. If a single cylinder engine produce a power in each rotation of crank shaft, then the

engineisa:
(ಗ) 4 - stroke engine (B) 2-stroke engine
(C) Wankel engine (D) भार्ण the above
4. The antiknocking properties of petrol is expressed in :
ல மம (B) SAE number
(C) Cetane number (D) Octane number

5. The number of crank pin in the crank shaft of a V-type engine is :
(^). 0೧೪೩] (06 number of eylinder (18) equal to double of number of cylinder
(C) equal to half of number of cylinder (D) none of the above
6. The size of flywheel used in single cylinder 4-stroke engine compared to a flywheel of the
single cylinder 2-stroke engine of same capacity is :
(ಗ) larger (18) smaller
(C) same (D) none of the above

7. Which of the following compound is added to petrol to improve it's anti knocking property?
(^) Sodium bicarbonate (B) Caleium bicarbonate
(0 Pottasium nitrate (D) Tetra ethyl lead

[P.T.0.]