Compressors, Gas Turbines and Jet Engines The compression ratio in a gas turbine is of the order of 0.50069444444444 0.33402777777778 3.5 : 1 0.20902777777778 0.50069444444444 0.33402777777778 3.5 : 1 0.20902777777778 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 Increase Remain same None of these Decrease Increase Remain same None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air is delivered ________ in one revolution in case of a three lobbed rotor. Two times Six times Four times Three times Two times Six times Four times Three times ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is Less More/less depending on compressor capacity More Same Less More/less depending on compressor capacity More Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 1700 km/hr 1050 km/hr 2400 km/hr 550 km/hr 1700 km/hr 1050 km/hr 2400 km/hr 550 km/hr 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 with intercooling Single stage compression Multistage compression without intercooling None of these Multistage compression with intercooling Single stage compression Multistage compression without intercooling None of these ANSWER DOWNLOAD EXAMIANS APP
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