Q1. The amount of air fuel mixture taken in by the engine on the suction stroke is a measure of the engine’s
(A) Compression ratio
(B) Volumetric efficiency
(C) Clearance volume
(D) All of these

Q2. The device for smoothing out the power impulses from the engine is called the
(A) Flywheel
(B) Camshaft
(C) Crankshaft
(D) Clutch

Q3. In the diesel engine, the compression ratio is as high as
(A) 10:01:00
(B) 15:01:00
(C) 05:01:00
(D) None of these

Q4. The percentage of the energy in the petrol burnt in the engine which is actually utilized in propelling the car is as little as
(A) 0.25
(B) 0.6
(C) 0.35
(D) 0.15

Q5. BHP divided by IHP is
(A) Thermal efficiency
(B) Mechanical efficiency
(C) Volumetric efficiency
(D) None of these

Q6. Engine torque is highest at
(A) High speed
(B) Low speed
(C) Intermediate speed
(D) All of these

Q7. IHP minus FHP equals
(A) BHP
(B) SAF HP
(C) m.e.p
(D) All of these

Q8. The average pressure during the power stroke minus the average pressure during the intake, compression and exhaust strokes is called
(A) IHP
(B) Compression ratio
(C) BHP
(D) m.e.p

Q9. The power used in overcoming friction in the engine is called
(A) BHP
(B) IHP
(C) FHP
(D) All of these

Q10. The air volume in the cylinder with the piston at C divided by the clearance volume is called
(A) Compression ratio
(B) Piston displacement
(C) Cylinder ratio
(D) All of these

Q11. The ratio between the power output of an engine and the energy in the fuel burned to produce that power is called
(A) Volumetric efficiency
(B) Thermal efficiency
(C) Mechanical efficiency
(D) All of these

Q12. Which one of the following is not a trade name of tractor in India
(A) Kirloskar
(B) Escort
(C) Standard
(D) HMT

Q13. Knowing the IHP and FHP of an engine, we can calculate
(A) Compression ratio
(B) rpm
(C) SAF
(D) BHP

Q14. If we know the engine speed, bore, stroke, number of cylinders and m.e.p in the cylinders, we can calculate
(A) FHP
(B) IHP
(C) BHP
(D) All of these

Q15. The radiator tubes are manufactured by using
(A) Cast iron tubes
(B) Aluminum tubes
(C) Brass tubes
(D) Steel tubes

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