Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 60 to 70% 70 to 90% 10 to 40% 40 to 60% 60 to 70% 70 to 90% 10 to 40% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is Same High Low Low/high depending on make and type Same High Low Low/high depending on make and type 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 More May be less or more depending on ambient conditions Same Less More May be less or more depending on ambient conditions Same Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in the Rotor to static enthalpy rise in the stator Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the stage Rotor to static enthalpy rise in the stator Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the stage ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the correct statement Gas turbines use both air and liquid cooling Large gas turbines use radial inflow turbines Gas turbines have their blades similar to steam turbine Gas turbine's blade will appear as impulse section at the hub and as a reaction section at tip Gas turbines use both air and liquid cooling Large gas turbines use radial inflow turbines Gas turbines have their blades similar to steam turbine Gas turbine's blade will appear as impulse section at the hub and as a reaction section at tip ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance, the work-done on the air during isentropic compression is ________ the heat required to raise the temperature of air from Tâ to Tâ at a constant pressure. Less than Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
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