# Mechanical Engineering - Compressors, Gas Dynamics and Gas Turbines

Exercise : Compressors, Gas Dynamics and Gas Turbines - Section 1

- Compressors, Gas Dynamics and Gas Turbines - Section 1
- Compressors, Gas Dynamics and Gas Turbines - Section 2
- Compressors, Gas Dynamics and Gas Turbines - Section 3
- Compressors, Gas Dynamics and Gas Turbines - Section 4

41.

An aftercooler is used to

42.

High air-fuel ratio in gas turbines

43.

The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as

44.

If

*p*_{1}, is the pressure of air entering the L.P. cylinder and*p*_{2}is the pressure of air leaving the L.P. cylinder (or intercooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where*D*_{1}= Dia. of L.P. cylinder, and*D*_{2}= Dia. of H.P. cylinder)45.

The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called

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