Compressors, Gas Turbines and Jet Engines The ratio of the net work obtained from the gas turbine plant to the turbine work is known as None of these Compression ratio Work ratio Pressure ratio None of these Compression ratio Work ratio Pressure ratio 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 One fourth Same One-half One sixth One fourth Same One-half 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 Decrease Remain same Increase None of these Decrease Remain same Increase None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air-fuel ratio in gas turbines is of the order of 30: 1 50: 1. 15: 1 7: 1 30: 1 50: 1. 15: 1 7: 1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before entering the compressor is Compressed air before entering the combustion chamber is heated Bled gas from turbine is heated and readmitted for complete expansion Exhaust gases drive the compressor Heated Compressed air before entering the combustion chamber is heated Bled gas from turbine is heated and readmitted for complete expansion Exhaust gases drive the compressor Heated ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine works on Ericsson cycle Rankine cycle Carnot cycle Joule cycle Ericsson cycle Rankine cycle Carnot cycle Joule cycle ANSWER DOWNLOAD EXAMIANS APP