Related Questions

In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as
A Scavenging
B Detonation
C Supercharging
D Polymerisation
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
In a Diesel engine, during combustion the pressure may increase at a range of
A 55 - 75 atm
B 15 - 20 atm
C 10 - 15 atm
D 20 - 30 atm
In the opposed piston diesel engine, the combustion chamber is located
A Above the piston
B Below the piston
C Between the pistons
D There is no such criterion
The output of a diesel engine can be increased without increasing the engine revolution or size in following way
A Feeding more fuel
B Heating incoming air
C Scavenging
D Supercharging
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 compression ratio in petrol engine is kept less than in Diesel engine because
A It makes petrol engines lighter
B Higher or equivalent compression ratio in petrol engines is not possible due to pre-ignition
C Less compression ratio gives better performance
D It is just customary to have less compression ratio in petrol engines
In a petrol engine, if diesel is used, then the engine will
A Not run
B Run more efficiently
C Run at high speed
D Explode
A diesel engine as compared to petrol engine (both running and rated load) is
A More efficient
B Less efficient
C Equally efficient
D Other factors will decide it
A diesel engine is _________ as compared to petrol engine, both running at rated load.
A Equally efficient
B Less efficient
C More efficient
D None of these

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