Compressors, Gas Turbines and Jet Engines Maximum delivery pressure is a rotary air compressor is of the order of 10 kg/cm² 25 kg/cm² 6 kg/cm² 16 kg/cm² 10 kg/cm² 25 kg/cm² 6 kg/cm² 16 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance, the work-done on the air during isentropic compression is ________ the heat required to raise the temperature of air from T₁ to T₂ at a constant pressure. None of these Equal to Less than Greater than None of these Equal to Less than Greater than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have Small frontal area and high h.p. High h.p. and low weight High speed and high h.p. Low weight and small frontal area Small frontal area and high h.p. High h.p. and low weight High speed and high h.p. Low weight and small frontal area 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 Creep Fatigue Toughness Corrosion resistance Creep Fatigue ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Intercooling in gas turbines Increases net output and thermal efficiency both Decreases net output but increases thermal efficiency Decreases net output and thermal efficiency both Increases net output but decreases thermal efficiency Increases net output and thermal efficiency both Decreases net output but increases thermal efficiency Decreases net output and thermal efficiency both Increases net output but decreases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following fuels can be used in turbojet engines? Methyl alcohol Liquid hydrogen High speed diesel oil Kerosene Methyl alcohol Liquid hydrogen High speed diesel oil Kerosene ANSWER DOWNLOAD EXAMIANS APP
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