Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler’s work is known as Isentropic efficiency Compressor efficiency Pressure coefficient Euler Isentropic efficiency Compressor efficiency Pressure coefficient Euler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated H.P. and brake H.P. is known as Mechanical efficiency Volumetric efficiency Isothermal efficiency Adiabatic efficiency Mechanical efficiency Volumetric efficiency Isothermal efficiency Adiabatic efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression though most efficient, but is not practicable because It is impossible in practice It requires very big cylinder It does not increase pressure much Compressor has to run at very slow speed to achieve it It is impossible in practice It requires very big cylinder It does not increase pressure much Compressor has to run at very slow speed to achieve it ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which one of the following is the effect of blade shape on performance of a centrifugal compressor? Forward curved blades has higher efficiency Forward curved blades produce lower pressure ratio Backward curved blades has poor efficiency Backward curved blades lead to stable performance Forward curved blades has higher efficiency Forward curved blades produce lower pressure ratio Backward curved blades has poor efficiency Backward curved blades lead to stable performance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are used for delivering Large quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at low pressures Small quantities of air at high pressures Large quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at low pressures Small quantities of air at high pressures ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Remain same Decrease Does not change Increase Remain same Decrease Does not change Increase ANSWER DOWNLOAD EXAMIANS APP
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