The rotary compressors are suitable for large discharge of air at low pressure.

More Questions from Compressors, Gas Dynamics and Gas Turbines

• The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as
• Gas turbine as compared to internal combustion engine
• In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs at
• In a gas turbine, air is obtained from the atmosphere and compressed in an air compressor.
• If p1 is the pressure of air entering the L.P, cylinder and p3 is the pressure of air leaving the H.P. cylinder, then the ratio of cylinder diameters for a single acting, two stage reciprocating compressor with complete intercooling is given by
• The air is delivered __________ in one revolution in case of a three-lobbed rotor.
• Maximum work is saved in a two stage reciprocating air compressor with incomplete intercooling.
• In a compressor, work is done on the piston during suction of air and work is done by the piston during compression as well as delivery of air.
• A receiver in compressor installations is used to damp pressure waves in compressor discharge.
• A gas turbine used in air-craft should have low weight and small frontal area.

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