148. Fuel consumption with increase in back pressure will
A.Increase
B.Decrease
C.Remain unaffected
D.Depend on other factors

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149. The cooling water requirement for diesel engine is of the order of
A.0.2 to 1.0 litre per minute per h.p.
B.1 to 3 litres per minute per h.p.
C.5 to 10 litres per minute per h.p
D.10 to 20 litres per minute per h.p.

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150. A 4-stroke diesel engine needs about following amount of air
A.75 cc per minute per h.p.
B.750 cc per minute per h.p.
C.7500 cc per minute per h.p.
D.75000 cc per minute per h.p.

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151. Leakage past the piston rings and valve seats in I.C. engines with increase in speed
A.Increases
B.Decreases
C.Remains same
D.Unpredictable

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152. With increase in speed of vehicle, the back pressure will
A.Decrease
B.Increase
C.Remain unaffected
D.Depend on other factors

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153. The function of a distributor in an automobile is to
A.Distribute charge equally to all the cylinders
B.Regulate power
C.Feed lub oil to all moving parts
D.Time the spark

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154. The ratio of useful power; engine friction; exhaust gas losses; cooling water, air and oil losses for a diesel engine is of the order-of
A.5:25:30:50
B.25:5:35:35
C.25:5:10:60
D.40:30:15:15

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