Compressors, Gas Turbines and Jet Engines Gas turbine as compared to internal combustion engine Has more efficiency Produces uniform torque Can be driven at a very high speed All of the listed here Has more efficiency Produces uniform torque Can be driven at a very high speed All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is Higher Lower Equal Can't be compared Higher Lower Equal Can't be compared ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, paraffin is usually used as the fuel because of its High calorific value Low freezing point Ease of atomisation Both (A) and (C) above High calorific value Low freezing point Ease of atomisation Both (A) and (C) above ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a gas turbine Increases the turbine work Decreases the thermal efficiency Increases the compressor work Increases the thermal efficiency Increases the turbine work Decreases the thermal efficiency Increases the compressor work Increases the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about multistage compression? Volumetric efficiency is high The moisture in air is condensed in the inter-cooler It is best suited for compression ratios around 7:1 Power consumption per unit of air delivered is low Volumetric efficiency is high The moisture in air is condensed in the inter-cooler It is best suited for compression ratios around 7:1 Power consumption per unit of air delivered is low ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Remain same Increase Decrease None of these Remain same Increase Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
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