Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Increasing the compression work Increasing the turbine work Both (A) and (C) above Decreasing the compression work Increasing the compression work Increasing the turbine work Both (A) and (C) above Decreasing the compression work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called Slip factor Degree of reaction Pressure coefficient Pressure ratio Slip factor Degree of reaction Pressure coefficient Pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum temperature in a gas turbine is of the order of 1500°C 1000°C 700°C 2000°C 1500°C 1000°C 700°C 2000°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet propulsion power unit, the inlet duct of diverging shape is used in order to Provide robust structure Collect more air Beautify the shape Convert kinetic energy of air into pressure energy Provide robust structure Collect more air Beautify the shape Convert kinetic energy of air into pressure energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An ideal air compressor cycle with clearance on P-V diagram can be represented by following processes Two adiabatic, one isobaric and one constant volume Two adiabatic and two isobaric One adiabatic, two isobaric, and one constant volume One adiabatic, one isobaric and two constant volumes Two adiabatic, one isobaric and one constant volume Two adiabatic and two isobaric One adiabatic, two isobaric, and one constant volume One adiabatic, one isobaric and two constant volumes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the false statement Exhaust losses in gas turbine are high due to large mass flow rate Gas turbine does not require huge quantity of water like steam plant Gas turbine is a self starting unit Overall efficiency of gas turbine plant is lower than that of a reciprocating engine Exhaust losses in gas turbine are high due to large mass flow rate Gas turbine does not require huge quantity of water like steam plant Gas turbine is a self starting unit Overall efficiency of gas turbine plant is lower than that of a reciprocating engine ANSWER DOWNLOAD EXAMIANS APP
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