Compressors, Gas Turbines and Jet Engines Ram compression in turbojet involves Compression of inlet air Increasing speed of incoming air Reduction of speed of incoming air and conversion of part of it into pressure energy Lost work Compression of inlet air Increasing speed of incoming air Reduction of speed of incoming air and conversion of part of it into pressure energy Lost work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The following property is most important for material used for gas turbine blade Toughness Corrosion resistance Fatigue Creep Toughness Corrosion resistance Fatigue Creep ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is 6000 KW 600 KW 15 KW 150 KW 6000 KW 600 KW 15 KW 150 KW ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have Low weight and small frontal area High speed and high h.p. Small frontal area and high h.p. High h.p. and low weight Low weight and small frontal area High speed and high h.p. Small frontal area and high h.p. High h.p. and low weight ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a gas turbine Increases the compressor work Increases the turbine work Decreases the thermal efficiency Increases the thermal efficiency Increases the compressor work Increases the turbine work Decreases the thermal efficiency Increases the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor Increases with increase in compression ratio Decreases with increase in compression ratio Decreases with decrease in compression ratio Increases with decrease in compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio Decreases with decrease in compression ratio Increases with decrease in compression ratio ANSWER DOWNLOAD EXAMIANS APP
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