Compressors, Gas Turbines and Jet Engines For perfect intercooling in a two stage compressor p₁ = p3 p₁/p₃ = p₂/p₁ p₁ = p₂ p3 p₂/p₁ = p₃/p₂ p₁ = p3 p₁/p₃ = p₂/p₁ p₁ = p₂ p3 p₂/p₁ = p₃/p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency Increases Decreases Does not change First decrease and then increase Increases Decreases Does not change First decrease and then increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In n₁ and n₂ are the indices of compression for the first and second stage of compression, then the ratio of work-done on the first and second stages (W₁/W₂) with perfect intercooling is given by W₁/W₂ = n₁/n₂ W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1) W₁/W₂ = n₂/n₁ W₁/W₂ = n₁/n₂ W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1) W₁/W₂ = n₂/n₁ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated H.P. and brake H.P. is known as Adiabatic efficiency Volumetric efficiency Isothermal efficiency Mechanical efficiency Adiabatic efficiency Volumetric efficiency Isothermal efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which one of the following is the effect of blade shape on performance of a centrifugal compressor? Forward curved blades has higher efficiency Backward curved blades has poor efficiency Forward curved blades produce lower pressure ratio Backward curved blades lead to stable performance Forward curved blades has higher efficiency Backward curved blades has poor efficiency Forward curved blades produce lower pressure ratio Backward curved blades lead to stable performance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine works on Carnot cycle Ericsson cycle Rankine cycle Joule cycle Carnot cycle Ericsson cycle Rankine cycle Joule cycle ANSWER DOWNLOAD EXAMIANS APP
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