Compressors, Gas Turbines and Jet Engines For minimum work required to compress and deliver a quantity of air by multistage compression The work-done in each stage should be same The intercooling should be perfect The compression ratio in each stage should be same All of the listed here The work-done in each stage should be same The intercooling should be perfect The compression ratio in each stage should be same All of the listed here 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 First decreases and then increases Decreases Increases First increases and then decreases First decreases and then increases Decreases Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air sucked by the compressor during its suction stroke is called Compressor capacity None of these Free air delivery Swept volume Compressor capacity None of these Free air delivery Swept volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The inter-cooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by (where p₁ = Intake pressure of air, p₂ = Inter-cooler pressure, and p₃ = Delivery pressure of air) p₂ = p₃/p₁ p₂ = p₁ × p₃ p₂ = p₁/p₃ p₂ = p₁ × p₂ p₂ = p₃/p₁ p₂ = p₁ × p₃ p₂ = p₁/p₃ p₂ = p₁ × p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine consists of a All of these Heating chamber Cooling chamber Compressor All of these Heating chamber Cooling chamber Compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs at Impeller outlet radius Diffuser outlet radius Impeller inlet radius Diffuser inlet radius Impeller outlet radius Diffuser outlet radius Impeller inlet radius Diffuser inlet radius ANSWER DOWNLOAD EXAMIANS APP
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