Compressors, Gas Turbines and Jet Engines A simple turbojet engine is basically A propeller system Chemical rocket engine Gas turbine engine equipped with a propulsive nozzle and diffuse Ramjet engine A propeller system Chemical rocket engine Gas turbine engine equipped with a propulsive nozzle and diffuse Ramjet engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Increases None of these Decreases Does not change Increases None of these Decreases Does not change 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 Tâ to Tâ at a constant pressure. Equal to Greater than Less than None of these Equal to Greater than Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work required to compress and deliver a quantity of air by multistage compression All of the listed here The intercooling should be perfect The compression ratio in each stage should be same The work-done in each stage should be same All of the listed here The intercooling should be perfect The compression ratio in each stage should be same The work-done in each stage should be same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Polytropic Isothermal Isentropic Any one of these Polytropic Isothermal Isentropic Any one of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine plant is ratio of Net work output and heat supplied Work done by turbine and heat supplied Work done by turbine and net work output Net work output and work done by turbine Net work output and heat supplied Work done by turbine and heat supplied Work done by turbine and net work output Net work output and work done by turbine ANSWER DOWNLOAD EXAMIANS APP
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