9) The pressure and temperature conditions of air at the suction of compressor are

atmospheric

slightly more than atmospheric

pressure sightly less than atmospheric and temperature slightly more than atmospheric.

pressure slightly more than atmospheric and temperature slightly less than atmospheric

Answer is:

pressure sightly less than atmospheric and temperature slightly more than atmospheric.

at very high speed

at very slow speed

at average speed

at zero speed

Answer is:

increases

decreases

remains unaffected

may increase or decrease depending on compressor capacity

Answer is:

(a) multi-stage compression

(b) cold water spray

both (a) and (b) above

Answer is:

ideal compression

adiabatic compression

botii isothermal and adiabatic compression

isothermal compression.

Answer is: