Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Multistage compression Cold water spray Both (A) and (B) above Fully insulating the cylinder Multistage compression Cold water spray Both (A) and (B) above Fully insulating the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Diffuser in a compressor is used to Convert pressure energy into kinetic energy Make the flow streamline Increase velocity Convert kinetic energy into pressure energy Convert pressure energy into kinetic energy Make the flow streamline Increase velocity Convert kinetic energy into pressure energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio Decreases Increases First increases and then decreases First decreases and then increases Decreases Increases First increases and then decreases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a reciprocating air compressor, the compression work per kg of air Is independent of clearance volume Increases as clearance volume increases Increases as clearance volume decreases Decreases as clearance volume increases Is independent of clearance volume Increases as clearance volume increases Increases as clearance volume decreases Decreases as clearance volume increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines 1 m of air at atmospheric condition weighs approximately 2.2 kg 0.5 kg 1.0 kg 1.3 kg 2.2 kg 0.5 kg 1.0 kg 1.3 kg ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rotary compressor is driven by an Electric motor None of these Either (A) or (B) Engine Electric motor None of these Either (A) or (B) Engine ANSWER DOWNLOAD EXAMIANS APP
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