Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 550 km/hr 1700 km/hr 2400 km/hr 1050 km/hr 550 km/hr 1700 km/hr 2400 km/hr 1050 km/hr 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 0.85 0.75 0.9 0.99 0.85 0.75 0.9 0.99 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 None of these Multistage compression without intercooling Single stage compression Multistage compression with intercooling None of these Multistage compression without intercooling Single stage compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For slow speed large capacity compressor, following type of valve will be best suited Poppet valve Any of the above Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Disc or feather type Poppet valve Any of the above Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Disc or feather type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the discharge pressure to the inlet pressure of air is called Expansion ratio Volumetric efficiency Compression ratio Compressor efficiency Expansion ratio Volumetric efficiency Compression ratio Compressor efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the branch connections from compressed air lines should be taken from Bottom side of main Right side of main Left side of main Top side of main Bottom side of main Right side of main Left side of main Top side of main ANSWER DOWNLOAD EXAMIANS APP
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