The compression ratio in each stage should be same
The intercooling should be perfect
The work done in each stage should be same
All of the above
Electric motor
Engine
Either (A) or (B)
None of the above
Roots blower compressor
Centrifugal blower compressor
Axial flow compressor
Both (B) and (C)
Centrifugal type
Axial flow type
Radial flow type
None of these
Small quantities of air at high pressures
Large quantities of air at high pressure
Small quantities of air at low pressure
Large quantities of air at low pressure