Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor. Outlet whirl velocity Inlet whirl velocity Inlet velocity of flow Outlet velocity of flow Outlet whirl velocity Inlet whirl velocity Inlet velocity of flow Outlet velocity of flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have Small frontal area and high h.p. Low weight and small frontal area High h.p. and low weight High speed and high h.p. Small frontal area and high h.p. Low weight and small frontal area High h.p. and low weight High speed and high h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about advantages of multistage compressor in comparison to single stage compressor? Lower volumetric efficiency Better mechanical balance Less power requirement Less loss of air due to leakage past the cylinder Lower volumetric efficiency Better mechanical balance Less power requirement Less loss of air due to leakage past the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Polytropic None of these Isothermal Adiabatic Polytropic None of these Isothermal Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of Paucity of O2 High specific volume High friction losses Increasing gas temperature Paucity of O2 High specific volume High friction losses Increasing gas temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is May be less or more depending on ambient conditions More Less Same May be less or more depending on ambient conditions More Less Same ANSWER DOWNLOAD EXAMIANS APP
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