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

More Questions from Compressors, Gas Dynamics and Gas Turbines

• A machine used to raise the pressure of air is called
• In a jet engine, the compression varies as the square of the speed.
• Air motors work on the cycle which is the reverse of the reciprocating air compressor cycle.
• In gas turbines, the work input with intercooling is __________ the work input with no intercooling.
• In reciprocating air compressors, isothermal efficiency is used for all sorts of calculations.
• The perfect intercooling, in multistage compression, means that the temperature of air at inlet to subsequent stages is equal to the initial temperature.
• For perfect intercooling in a three stage compressor,
• In a single acting reciprocating air compressor, without clearance, the compression of air may be
• In open cycle turbo-jet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the
• The efficiency of roots blower __________ with the increase in pressure ratio.

Discussion & Comments