Related Questions

The compression ratio for Diesel engines usually lies in the range of
A 6 - 10
B 10 - 15
C 15 - 25
D 25 - 40
The Diesel engines as compared to petrol engines require
A Bigger flywheel
B Smaller flywheel
C Same size of flywheel
D No flywheel
The pressure at the end of compression, in diesel engines, is approximately
A 10 bar
B 20 bar
C 25 bar
D 35 bar
The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will
A Increase
B Decrease
C Be independent
D May increase or decrease depending on other factors
In diesel engine, the compression ratio in comparison to expansion ratio is
A Same
B Less
C More
D Variable
Highest useful compression ratio (HUCR) is the highest compression ratio at which the
A Engine can run
B Engine gives maximum output
C Engine is most efficient
D Fuel can be used in a test engine without knocking
The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.
A Greater than
B Less than
C Equal to
D None of these
For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.
A Greater than
B Less than
C Equal to
D None of these
A diesel engine has compression ratio from
A 6 to 10
B 10 to 15
C 15 to 25
D 25 to 40
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

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