at very high speed

at very slow speed

at average speed

at zero speed

increases

decreases

remains unaffected

may increase or decrease depending on compressor capacity

(a) multi-stage compression

(b) cold water spray

(c) fully insulating the cylinder

both (a) and (b) above

ideal compression

adiabatic compression

botii isothermal and adiabatic compression

isothermal compression.

radial flow

axial flow

centrifugal

combination of above