Compressors, Gas Turbines and Jet Engines The absolute pressure of air at the outlet of a compressor is called Discharge pressure Critical pressure Back pressure None of the listed here Discharge pressure Critical pressure Back pressure None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in gas turbine results in Increase in net output but decrease in thermal efficiency Increase in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Decrease in both thermal efficiency and net output Increase in net output but decrease in thermal efficiency Increase in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Decrease in both thermal efficiency and net output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine blades are given a rake In the direction of motion of blades Depending on the velocity Equal to zero Opposite to the direction of motion of blades In the direction of motion of blades Depending on the velocity Equal to zero Opposite to the direction of motion of blades ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression though most efficient, but is not practicable because It does not increase pressure much It requires very big cylinder Compressor has to run at very slow speed to achieve it It is impossible in practice It does not increase pressure much It requires very big cylinder Compressor has to run at very slow speed to achieve it It is impossible in practice ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about multistage compression? The moisture in air is condensed in the inter-cooler Power consumption per unit of air delivered is low It is best suited for compression ratios around 7:1 Volumetric efficiency is high The moisture in air is condensed in the inter-cooler Power consumption per unit of air delivered is low It is best suited for compression ratios around 7:1 Volumetric efficiency is high ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct as regard to centrifugal compressors? The maximum efficiency is higher than multistage axial flow compressors The flow of air is parallel to the axis of the compressor The static pressure of air in the impeller increases in order to provide centripetal force on the air The impeller rotates at high speeds The maximum efficiency is higher than multistage axial flow compressors The flow of air is parallel to the axis of the compressor The static pressure of air in the impeller increases in order to provide centripetal force on the air The impeller rotates at high speeds ANSWER DOWNLOAD EXAMIANS APP
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