Related Questions

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
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
The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to
A Inject fuel in a chamber of high pressure at the end of compression stroke
B Inject fuel at a high velocity to facilitate atomization
C Ensure that penetration is not high
D All of the above
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
The function of injector used in small capacity boilers is to
A Create vacuum
B Inject chemical solution in feed pump
C Pump water, similar to boiler feed pump
D Add make up water in the system
The function of injector used in small steam plants is to
A Create vacuum in furnace
B Create vacuum at turbine exhaust
C Pump feed water
D Dose chemicals in feed water
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

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