Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Increasing the turbine work Decreasing the compression work Increasing the compression work Both (A) and (C) above Increasing the turbine work Decreasing the compression work Increasing the compression work Both (A) and (C) above ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Both (A) and (B) above Multistage compression Cold water spray Fully insulating the cylinder Both (A) and (B) above Multistage compression Cold water spray Fully insulating the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air delivered by the compressor is called Free air delivery Swept volume Compressor capacity None of the listed here Free air delivery Swept volume Compressor capacity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air power of the compressor is also known as Indicated power Brake power Frictional power None of these Indicated power Brake power Frictional power None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Surging is the phenomenon of Motion of air at sonic velocity Air stream blocking the passage Unsteady, periodic and reversed flow Air stream not able to follow the blade contour Motion of air at sonic velocity Air stream blocking the passage Unsteady, periodic and reversed flow Air stream not able to follow the blade contour ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of the vane blower is (where W₁ = Workdone due to compression, and W₂ = Workdone due to back flow) W₂/(W₁ + W₂) (W₁ + W₂)/W₁ W₁/(W₁ + W₂) (W₁ + W₂)/W₂ W₂/(W₁ + W₂) (W₁ + W₂)/W₁ W₁/(W₁ + W₂) (W₁ + W₂)/W₂ ANSWER DOWNLOAD EXAMIANS APP
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