The ratio of the discharge pressure to the inlet pressure of air is called
A). Compression ratio
B). Expansion ratio
C). Compressor efficiency
D). Volumetric efficiency
To avoid moisture troubles, the compressed air main line should
A). Rise gradually towards the point of use
B). Drop gradually towards the point of use
C). Be laid vertically
D). Be laid exactly horizontally
The air power of the compressor is also known as
A). Indicated power
B). Brake power
C). Frictional power
D). None of these
In axial flow compressor, exit flow angle deviation from the blade angle is a function of
A). Blade camber
B). Blade camber and incidence angle
C). Space-chord ratio
D). Blade camber and space-chord ratio
Reheating in a gas turbine
A). Increases the thermal efficiency
B). Increases the compressor work
C). Increases the turbine work
D). Decreases the thermal efficiency