Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It has high propulsive efficiency at high speeds It can fly at high elevations It has high power for take off It can fly at supersonic speeds It has high propulsive efficiency at high speeds It can fly at high elevations It has high power for take off It can fly at supersonic speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Adiabatic Polytropic None of these Isothermal Adiabatic Polytropic None of these Isothermal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The mass of gas turbine per kW developed is about ________ as that of an I.C. engine. One sixth Same One-half One fourth One sixth Same One-half One fourth ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbines for power generation are normally used To enable start thermal power plant To supply base load requirements To supply peak load requirements In emergency To enable start thermal power plant To supply base load requirements To supply peak load requirements In emergency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.9 0.85 0.75 0.99 0.9 0.85 0.75 0.99 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature 0.005 0.001 0.01 0.05 0.005 0.001 0.01 0.05 ANSWER DOWNLOAD EXAMIANS APP
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