Related Questions

In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of
A 250°C
B 500°C
C 1000°C
D 2000°C
A certain truck uses 18 gallons of diesel fuel in traveling 270 miles. In order for the truck to travel the same distance using 10 gallons of diesel fuel, by how many miles per gallon must the truck's fuel mileage be increased.
A 12
B 15
C 27
D 9
The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is
A Same
B More
C Less
D Less or more depending on operating conditions
Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C.
A 400-500
B 900-1000
C 1400-1500
D 1700-1800
In a diesel engine, fuel is ignited by ----
A Spark plug
B Heat resulting from Compressing air that is supplied for combustion
C Combustion Chamber
D Injected fuel
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
An hmh flame speed is obtained in diesel engine when air fuel ratio is
A Uniform throughout the mixture
B Chemically correct mixture
C About 35% of rich mixture
D About 10% of rich mixture
The expansion of fuel in a four stroke cycle diesel engine
A Starts at 15° before top dead center and ends at 30° after top dead center
B Starts at top dead center and ends at 30° after top dead center
C Starts at 15° after top dead center and ends at 30° before bottom dead center
D May start and end anywhere
The fuel valve in a four stroke cycle diesel engine
A Opens at 15° after top dead center and closes at 20° before bottom dead center
B Opens at 15° before top dead center and closes at 20° after top dead center
C Opens at top dead center and closes at bottom dead center
D May open and close anywhere
The rating of C.I. engine fuel (Diesel) is given by
A Octane number
B Performance number
C Cetane number
D None of these

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