Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Isentropic compression None of the listed here Polytropic compression Isothermal compression Isentropic compression None of the listed here Polytropic compression Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are suitable for Large discharge at high pressure Large discharge at low pressure Low discharge at high pressure Low discharge at low pressure Large discharge at high pressure Large discharge at low pressure Low discharge at high pressure Low discharge at low pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity Vi = Vo V = Uo U < Vo Vt > Vo Vi = Vo V = Uo U < Vo Vt > Vo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Fighter bombers use following type of engine Turbo-propeller Ramjet Turbojet Rocket Turbo-propeller Ramjet Turbojet Rocket ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The type of rotary compressor used in gas turbines, is of Radial flow type None of the listed here Axial flow type Centrifugal type Radial flow type None of the listed here Axial flow type Centrifugal type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If the flow of air through the compressor is parallel to its axis, then the compressor is Turbo compressor Axial flow compressor Reciprocating compressor Centrifugal compressor Turbo compressor Axial flow compressor Reciprocating compressor Centrifugal compressor ANSWER DOWNLOAD EXAMIANS APP