Compressors, Gas Turbines and Jet Engines The working fluid in a turbine is In a single phase In the form of air and water mixture In two phases In three phases In a single phase In the form of air and water mixture In two phases In three phases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler’s work is known as Pressure coefficient Euler Compressor efficiency Isentropic efficiency Pressure coefficient Euler Compressor efficiency Isentropic efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as Slip factor Pressure coefficient Work factor Degree of reaction Slip factor Pressure coefficient Work factor Degree of reaction ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Water is injected in gas turbine cycle to Control output of turbine Control fire hazards Control temperature Increase efficiency Control output of turbine Control fire hazards Control temperature Increase efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Phenomenon of choking in compressor means Increased inclination of chord with air steam Reducing mass flow rate with increase in pressure ratio No flow of air Fixed mass flow rate regardless of pressure ratio Increased inclination of chord with air steam Reducing mass flow rate with increase in pressure ratio No flow of air Fixed mass flow rate regardless of pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If p₁, is the pressure of air entering the L.P. cylinder and p₂ is the pressure of air leaving the L.P. cylinder (or inter-cooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D₁ = Dia. of L.P. cylinder, and D₂ = Dia. of H.P. cylinder) None of these D₁/D₂ = p₂/p₁ D₁/D₂ = p₁ p₂ D₁/D₂ = p₁/p₂ None of these D₁/D₂ = p₂/p₁ D₁/D₂ = p₁ p₂ D₁/D₂ = p₁/p₂ ANSWER DOWNLOAD EXAMIANS APP
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