Compressors, Gas Turbines and Jet Engines The most efficient method of compressing air is to compress it Adiabatically Isochronically Isentropically Isothermally Adiabatically Isochronically Isentropically Isothermally ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is Index of compressor performance Reciprocal of compression ratio The ratio of stroke volume to clearance volume The ratio of the air actually delivered to the amount of piston displacement Index of compressor performance Reciprocal of compression ratio The ratio of stroke volume to clearance volume The ratio of the air actually delivered to the amount of piston displacement ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would None of these Decrease Remain same Increase None of these Decrease Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called Degree of reaction Slip factor Pressure coefficient Pressure ratio Degree of reaction Slip factor Pressure coefficient Pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency First decrease and then increase Decreases Increases Does not change First decrease and then increase Decreases Increases Does not change ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Standard air is the air at ___ and relative humidity of 36 percent. 0.1 bar and 20°C 1 bar and 20°C 0.1 bar and 40°C 1 bar and 40°C 0.1 bar and 20°C 1 bar and 20°C 0.1 bar and 40°C 1 bar and 40°C ANSWER DOWNLOAD EXAMIANS APP
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