Compressors, Gas Turbines and Jet Engines In jet propulsion power unit, the inlet duct of diverging shape is used in order to Collect more air Convert kinetic energy of air into pressure energy Provide robust structure Beautify the shape Collect more air Convert kinetic energy of air into pressure energy Provide robust structure Beautify the shape ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in gas turbine results in Decrease of thermal efficiency Decrease of work ratio Both (A) and (B) above Increase of work ratio Decrease of thermal efficiency Decrease of work ratio Both (A) and (B) above Increase of work ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Separators are generally used in air compressor installations After the inter-cooler Before first stage suction Before the inter-cooler Between the after-cooler and receiver After the inter-cooler Before first stage suction Before the inter-cooler Between the after-cooler and receiver ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity with decrease in suction temperature Decreases Remain unaffected May increase or decrease depending on compressor capacity Increases Decreases Remain unaffected May increase or decrease depending on compressor capacity Increases 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 Increases Decreases First decreases and then increases First increases and then decreases Increases Decreases First decreases and then increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will Increase Remain unaffected Other factors control it Decrease Increase Remain unaffected Other factors control it Decrease ANSWER DOWNLOAD EXAMIANS APP
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