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11. In qualitative governing, the quantity of fuel is varied to suit the load on the engine and the total charge of air is altered.
A. Correct
B. Incorrect
12. The function of a distributor in a coil ignition system of I.C. engines is
A. to distribute spark
B. to distribute power
C. to distribute current
D. to time the spark
13. A moderator, apart from its high neutron slowing power, and low non-productive neutron should be
A. stable under nuclear radiation
B. corrosion resistant
C. good thermal conductor
D. all of these
14. The frictional power (F.P.) is given by
A. F.P. = B.P. – I.P.
B. F.P. = I.P. – B.P.
C. F.P. = B.P./I.P.
D. F.P. = I.P./B.P
15. The unit million electron volts (Mev) is commonly used to measure the nuclear energy.
A. True
B. False
16. The knocking tendency in spark ignition engines can be decreased by adding dopes like tetraethyl lead and ethylene dibromide.
A. Agree
B. Disagree
17. If V1 is the jet velocity and V0 is the vehicle velocity, then the propulsive efficiency of a rocket is given by
18. A diesel engine has compression ratio from
A. 6 to 10
B. 10 to 15
C. 15 to 25
D. 25 to 40
19. A petrol engine, during suction stroke draws
A. air only
B. petrol only
C. a mixture of petrol and air
20. A supercharged engine as compared to an ordinary engine
A. requires smaller foundation
B. is lighter
C. consumes less lubricating oil
D. all of these
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