Compressors, Gas Turbines and Jet Engines The mass of gas turbine per kW developed is about ________ as that of an I.C. engine. Same One fourth One-half One sixth Same One fourth One-half One sixth ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to 20°C and 1 kg/cm² N.T.P. conditions 0°C and 1 kg/cm² Intake temperature and pressure conditions 20°C and 1 kg/cm² N.T.P. conditions 0°C and 1 kg/cm² Intake temperature and pressure conditions ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a multistage expansion gas turbine ________ compressor work. Decreases Increases None of these Has no effect on Decreases Increases None of these Has no effect on ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the Total temperature drop Adiabatic temperature drop in the stage Total temperature drop in the stage Total adiabatic temperature drop Total temperature drop Adiabatic temperature drop in the stage Total temperature drop in the stage Total adiabatic temperature drop ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Losses in a centrifugal compressor are due to All of the listed here Impeller channel losses Inlet losses Diffuser losses All of the listed here Impeller channel losses Inlet losses Diffuser losses ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In n₁ and n₂ are the indices of compression for the first and second stage of compression, then the ratio of work-done on the first and second stages (W₁/W₂) with perfect intercooling is given by W₁/W₂ = n₂/n₁ W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1) W₁/W₂ = n₁/n₂ W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₂/n₁ W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1) W₁/W₂ = n₁/n₂ W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) ANSWER DOWNLOAD EXAMIANS APP