Compressors, Gas Turbines and Jet Engines Gas turbine blades are given a rake In the direction of motion of blades Opposite to the direction of motion of blades Depending on the velocity Equal to zero In the direction of motion of blades Opposite to the direction of motion of blades Depending on the velocity Equal to zero 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 In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to 0°C and 1 kg/cm² Intake temperature and pressure conditions 20°C and 1 kg/cm² N.T.P. conditions 0°C and 1 kg/cm² Intake temperature and pressure conditions 20°C and 1 kg/cm² N.T.P. conditions ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The hottest point in a gas turbine is at the base in the center between ~ to i of the blade height at the tip at the base in the center between ~ to i of the blade height at the tip ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature. None of these More than Equal to Less than None of these More than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine cycle with regenerator Allows operation at very high altitudes Allows high compression ratio Decreases heat loss is exhaust Increases thermal efficiency Allows operation at very high altitudes Allows high compression ratio Decreases heat loss is exhaust Increases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP