Compressors, Gas Turbines and Jet Engines Actual compression curve is Same as isothermal In between isothermal and adiabatic Same as adiabatic Better than isothermal and adiabatic Same as isothermal In between isothermal and adiabatic Same as adiabatic Better than isothermal and adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Remain constant Decreases Increases First decreases and then increases Remain constant Decreases Increases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Multistage compression Both (A) and (B) above Cold water spray Fully insulating the cylinder Multistage compression Both (A) and (B) above Cold water spray Fully insulating the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Thrust power and propulsive power Engine output and propulsive power Propulsive power and fuel input Thrust power and fuel energy Thrust power and propulsive power Engine output and propulsive power Propulsive power and fuel input Thrust power and fuel energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Isothermal Isentropic Any one of these Polytropic Isothermal Isentropic Any one of these Polytropic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work done per cycle to the swept volume in case of compressor is called Mean effective pressure Compression ratio Compressor efficiency Compression index Mean effective pressure Compression ratio Compressor efficiency Compression index ANSWER DOWNLOAD EXAMIANS APP