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.Management Sciences
Category: I.C. Engines
The fuel in diesel engine is normally injected at pressure of_________________?
A. 5-10 kg/cm2
B. 20-25 kg/cm2
C. 60-80 kg/cm2
D. 90-130 kg/cm2
E. 150-250 kg/cm2
The precess of breaking up or a lipuid into fine droplets by spraying is called___________________?
A. vaporisation
B. carburetion
C. ionisation
D. injection
E. atomisation
In a diesel engine, the fuel is ignited by___________________?
A. spark
B. injected fuel
C. heat resulting from compressing air that is supplied for combustion
D. ignition
E. combustion chamber
In the opposed piston diesel engine, the combustion chamber is located________________?
A. above the piston (/;) below the piston
C. between the pistons
D. any when
E. there is no such criterion
A 5 BHP engine running at full load would consume diesel of the order of_________________?
A. 0.3 kg/hr
B. 1 kg/hr
C. 3 kg/hr
D. 5 kg/hr
E. 10 kg/hr
Which of the following is the lightest and most volatile liquid fuel________________?
A. diesel
B. kerosene
C. fuel oil
D. gasoline
E. lub oil
Ignition timing of a multicylider petrol engine can be adjusted by_________________?
A. rotating the crank
B. adjusting the spark plug gap
C. adjusting ignition coil position
D. rotating the distributor
E. delaying the spark by increasing capacitor in ignition circuit
Power impulses from an I.C. engine are somoothed out by__________________?
A. governor
B. crank shaft
C. gear box
D. flywheel
E. timing spark properly
The function of a fuel pump in a petrol pump is to______________________?
A. inject fuel in cylinder
B. supply fuel when carburettor fails
C. pump fuel so that it reaches carburettor (to improve thermal efficiency)
D. does not exist
The specific fuel consumption per BHP hour for diesel engine is approximately___________________?
A. 0.15 kg
B. 0.2 kg
C. 0.25 kg
D. 0.3 kg
E. 0.35 kg
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