Compressors, Gas Turbines and Jet Engines The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage. Six times Equal to Three times Double Six times Equal to Three times Double ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For speed above 3000 km/hour, it is more advantageous to use Ramjet engine Propellers Turbojet engine Rockets Ramjet engine Propellers Turbojet engine Rockets ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor Decreases with increase in compression ratio Increases with increase in compression ratio Increases with decrease in compression ratio Decreases with decrease in compression ratio Decreases with increase in compression ratio Increases with increase in compression ratio Increases with decrease in compression ratio Decreases with decrease in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum delivery pressure is a rotary air compressor is of the order of 25 kg/cm² 10 kg/cm² 6 kg/cm² 16 kg/cm² 25 kg/cm² 10 kg/cm² 6 kg/cm² 16 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pressure ratio in gas turbines is the ratio of Highest pressure to exhaust pressure Compressor pressure ratio Pressures across the turbine Inlet pressure to exhaust pressure Highest pressure to exhaust pressure Compressor pressure ratio Pressures across the turbine Inlet pressure to exhaust pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For slow speed large capacity compressor, following type of valve will be best suited Any of the above Disc or feather type Poppet valve Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Any of the above Disc or feather type Poppet valve Mechanical valve of the Corliss, sleeve, rotary or semi rotary type ANSWER DOWNLOAD EXAMIANS APP