Compressors, Gas Turbines and Jet Engines Gas turbine as compared to internal combustion engine All of the listed here Has more efficiency Produces uniform torque Can be driven at a very high speed All of the listed here Has more efficiency Produces uniform torque Can be driven at a very high speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of jet engine is Higher at high altitudes Higher at high speed Lower at low speed Same at all altitudes Higher at high altitudes Higher at high speed Lower at low speed Same at all altitudes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called Compressor efficiency Isothermal efficiency Volumetric efficiency Mechanical efficiency Compressor efficiency Isothermal efficiency Volumetric efficiency Mechanical efficiency 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 Increase Decrease Remain same None of these Increase Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on Change in load Stagnation pressure at the outlet Mass flow rate Pressure ratio Change in load Stagnation pressure at the outlet Mass flow rate Pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine cycle with regenerator Increases thermal efficiency 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 ANSWER DOWNLOAD EXAMIANS APP