Compressors, Gas Turbines and Jet Engines The work done per unit mass of air in compression will be least when 'n' is equal to 1.3 1.2 1 1.4 1.3 1.2 1 1.4 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust of a jet propulsion power unit can be increased by Injecting ammonia into the combustion chamber All of these Injecting water into the compressor Burning fuel after gas turbine Injecting ammonia into the combustion chamber All of these Injecting water into the compressor Burning fuel after gas turbine 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 When air is to be compressed at a high pressure, then it is advantageous to use Multistage compression without intercooling Single stage compression Multistage compression with intercooling None of these Multistage compression without intercooling Single stage compression Multistage compression with intercooling None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pressure ratio in gas turbines is the ratio of Inlet pressure to exhaust pressure Compressor pressure ratio Pressures across the turbine Highest pressure to exhaust pressure Inlet pressure to exhaust pressure Compressor pressure ratio Pressures across the turbine Highest pressure to exhaust pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Thrust power and propulsive power Propulsive power and fuel input Thrust power and fuel energy Engine output and propulsive power Thrust power and propulsive power Propulsive power and fuel input Thrust power and fuel energy Engine output and propulsive power ANSWER DOWNLOAD EXAMIANS APP
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