Compressors, Gas Turbines and Jet Engines Ramjet engine Requires no air for its operation Is self operating at zero flight speed Produces a jet consisting of plasma Is not self operating at zero flight speed Requires no air for its operation Is self operating at zero flight speed Produces a jet consisting of plasma Is not self operating at zero flight speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of a jet engine is higher at Low speeds Low altitudes High speeds High altitudes Low speeds Low altitudes High speeds High altitudes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the None of these Both (A) and (B) Thrust and range of aircraft Efficiency of the engine None of these Both (A) and (B) Thrust and range of aircraft Efficiency of the engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work in multistage compression, assuming same index of compression in all stages Work done in first stage should be more Work done in all stages should be equal Work done in subsequent stages should decrease Work done in subsequent stages should increase Work done in first stage should be more Work done in all stages should be equal Work done in subsequent stages should decrease Work done in subsequent stages should increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of compressor with increase in compression ratio will Increase Remain same Decrease May increase or decrease depending on clearance volume Increase Remain same Decrease May increase or decrease depending on clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor performance at higher altitude compared to sea level will be Same Dependent on other factors Lower Higher Same Dependent on other factors Lower Higher ANSWER DOWNLOAD EXAMIANS APP
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