Compressors, Gas Turbines and Jet Engines The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl. Increased None of these Reduced Zero Increased None of these Reduced Zero ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines the products of combustion after passing through the gas turbine are discharged into Atmosphere Discharge nozzle Back to the compressor Vacuum Atmosphere Discharge nozzle Back to the compressor Vacuum ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated h.p. to shaft h.p. in known as Volumetric efficiency Isothermal efficiency Compressor efficiency Mechanical efficiency Volumetric efficiency Isothermal efficiency Compressor efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a two stage compressor p₂/p₁ = p₃/p₂ p₁/p₃ = p₂/p₁ p₁ = p3 p₁ = p₂ p3 p₂/p₁ = p₃/p₂ p₁/p₃ = p₂/p₁ p₁ = p3 p₁ = p₂ p3 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Air-fuel ratio in a jet engine will be of the order of 2.5006944444444 0.41736111111111 0.62569444444444 0.83402777777778 2.5006944444444 0.41736111111111 0.62569444444444 0.83402777777778 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A compressor mostly used for supercharging of I.C. engines is Axial flow compressor Radial flow compressor Reciprocating compressor Roots blower Axial flow compressor Radial flow compressor Reciprocating compressor Roots blower ANSWER DOWNLOAD EXAMIANS APP