Compressors, Gas Turbines and Jet Engines In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the delivery pressure at the fourth stage will be 1 bar 64 bar 16 bar 256 bar 1 bar 64 bar 16 bar 256 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) 1 - (1/r) ɣ-1/ɣ r ɣ-1 1 - (1/r) ɣ/ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ-1/ɣ r ɣ-1 1 - (1/r) ɣ/ɣ-1 1 - r ɣ-1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be Backward curved Forward curved None of the listed here Radial Backward curved Forward curved None of the listed here Radial ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on Mass flow rate Stagnation pressure at the outlet Change in load Pressure ratio Mass flow rate Stagnation pressure at the outlet Change in load Pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in multistage compressors is done To cool the air during compression To cool the air at delivery To minimize the work of compression To enable compression in two stages To cool the air during compression To cool the air at delivery To minimize the work of compression To enable compression in two stages ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following fuels can be used in turbojet engines? High speed diesel oil Methyl alcohol Kerosene Liquid hydrogen High speed diesel oil Methyl alcohol Kerosene Liquid hydrogen ANSWER DOWNLOAD EXAMIANS APP
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