Compressors, Gas Turbines and Jet Engines The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is Superheating in compressor Pressure drop across the valves Clearance volume and leakages All of these Superheating in compressor Pressure drop across the valves Clearance volume and leakages All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called Slip factor Velocity coefficient Velocity factor None of these Slip factor Velocity coefficient Velocity factor None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance volume, the work-done is minimum during Isothermal compression Isentropic compression None of these Polytropic compression Isothermal compression Isentropic compression None of these Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work-done on a compressor will be minimum if air is taken from A source of low temperature air A source at 0° C A source of high temperature air The atmosphere A source of low temperature air A source at 0° C A source of high temperature air The atmosphere ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pressure ratio in gas turbines is the ratio of Compressor pressure ratio Highest pressure to exhaust pressure Inlet pressure to exhaust pressure Pressures across the turbine Compressor pressure ratio Highest pressure to exhaust pressure Inlet pressure to exhaust pressure Pressures across the turbine 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 None of these 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 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS