Related Questions

The ratio of the volume at cut-off to the swept volume is called
A Cut-off ratio
B Expansion ratio
C Clearance ratio
D None of these
The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called
A Mechanical efficiency
B Overall efficiency
C Volumetric efficiency
D Relative efficiency
The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as
A Compressor efficiency
B Volumetric efficiency
C Isothermal efficiency
D Mechanical efficiency
The ratio of work done per cycle to the swept volume in case of compressor is called
A Compression index
B Compression ratio
C Compressor efficiency
D Mean effective pressure
There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called
A Wet steam
B Saturated steam
C Superheated steam
D Cushion steam
If clearance volume of I.C. engines is increased, the compression ratio will
A Increase
B Decrease
C Remain constant
D Be doubled
If θ is the angle of scan measured from the nadir, the ground distance swept by the sensor IFOV is proportional to:
A sin2θ
B cos2θ
C sec2θ
D tan2θ
Clearance ratio is the ratio of
A Clearance volume to the swept volume
B Clearance volume to the volume at cut-off
C Volume at cut-off to the swept volume
D Swept volume to the clearance volume
The net work input required for compressor with increase in clearance volume
A Increases
B Decreases
C Remains same
D Increases/decreases depending on compressor capacity
Volumetric efficiency of a compressor without clearance volume
A Increases with increase in compression ratio
B Decreases with increase in compression ratio
C Is not dependent upon compression ratio
D May increase/decrease depending on compressor capacity

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