93) The perfect intercooling, in multistage compression, means that the temperature of air at inlet to subsequent stages is equal to the initial temperature.

94) In a compressed air system, the temperature of air discharged from the air motor is __________ than the initial compressor intake temperature.

95) The efficiency of roots blower __________ with the increase in pressure ratio.

96) The operation of lifts, rams and pumps make use of compressed air.

97) A jet engine has