Compressors, Gas Turbines and Jet Engines If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is given by 1 - k + k (p₁/p₂) n- 1/n 1 - k + k (p₁/p₂)1/n 1 + k - k (p₂/p₁)1/n 1 + k - k (p₂/p₁) n-1/n 1 - k + k (p₁/p₂) n- 1/n 1 - k + k (p₁/p₂)1/n 1 + k - k (p₂/p₁)1/n 1 + k - k (p₂/p₁) n-1/n ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor has the following advantage over centrifugal compressor Larger air handling ability per unit frontal area Higher average velocities Aerofoil blades are used Higher pressure ratio per stage Larger air handling ability per unit frontal area Higher average velocities Aerofoil blades are used Higher pressure ratio per stage ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Increases First decreases and then increases Remain constant Decreases Increases First decreases and then increases Remain constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio Increases First decreases and then increases First increases and then decreases Decreases Increases First decreases and then increases First increases and then decreases Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine consists of a Compressor Cooling chamber Heating chamber All of these Compressor Cooling chamber Heating chamber All of these ANSWER DOWNLOAD EXAMIANS APP
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