Compressors, Gas Turbines and Jet Engines The most efficient method of compressing air is to compress it Isothermally Adiabatically Isochronically Isentropically Isothermally Adiabatically Isochronically Isentropically ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Actual compression curve is Same as adiabatic In between isothermal and adiabatic Same as isothermal Better than isothermal and adiabatic Same as adiabatic In between isothermal and adiabatic Same as isothermal Better than isothermal and adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure of air at the beginning of the compression stroke is ___ the atmospheric pressure. None of the listed here More than Less than Equal to None of the listed here More than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the aircraft propellers Propulsive matter is ejected from within the propelled body All of these The propulsive matter is caused to flow around the propelled body Its functioning does not depend on presence of air Propulsive matter is ejected from within the propelled body All of these The propulsive matter is caused to flow around the propelled body Its functioning does not depend on presence of air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Increases Remain constant Decreases First decreases and then increases Increases Remain constant Decreases First decreases and then increases 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 = n₂(n₁ - 1)/n₁(n₂ - 1) W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₁/n₂ W₁/W₂ = n₂/n₁ W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1) W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₁/n₂ W₁/W₂ = n₂/n₁ ANSWER DOWNLOAD EXAMIANS APP
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