Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature 0.005 0.001 0.05 0.01 0.005 0.001 0.05 0.01 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor without clearance volume, the work-done is maximum during Isentropic compression Polytropic compression Isothermal compression None of these Isentropic compression Polytropic compression Isothermal compression None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Aeroplanes employ following type of compressor Radial flow None of these Centrifugal Axial flow Radial flow None of these Centrifugal Axial flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reciprocating air compressor is best suited for Small quantity of air at low pressure Small quantity of air at high pressure Large quantity of air at low pressure Large quantity of air at high pressure Small quantity of air at low pressure Small quantity of air at high pressure Large quantity of air at low pressure Large quantity of air at high pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Decreases None of these Does not change Increases Decreases None of these Does not change Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air-fuel ratio in gas turbines is of the order of 50: 1. 30: 1 15: 1 7: 1 50: 1. 30: 1 15: 1 7: 1 ANSWER DOWNLOAD EXAMIANS APP