Compressors, Gas Turbines and Jet Engines Compression efficiency is compared against Ideal compression Isentropic compression Adiabatic compression Isothermal compression Ideal compression Isentropic compression Adiabatic compression Isothermal compression 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 First decreases and then increases Increases Remain constant Decreases First decreases and then increases Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are used for delivering Large quantities of air at high pressures Small quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at low pressures Large quantities of air at high pressures Small quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at low pressures ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the wrong statement about advantages of multistage compression More loss of air due to leakage past the cylinder Air can be cooled perfectly in between Better lubrication is possible advantages of multistage Mechanical balance is better More loss of air due to leakage past the cylinder Air can be cooled perfectly in between Better lubrication is possible advantages of multistage Mechanical balance is better ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity with decrease in suction temperature Remain unaffected Decreases Increases May increase or decrease depending on compressor capacity Remain unaffected Decreases Increases May increase or decrease depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The stagnation pressure rise in a centrifugal compressor takes place In the impeller only In the diffuser only In the inlet guide vanes only In the diffuser and impeller In the impeller only In the diffuser only In the inlet guide vanes only In the diffuser and impeller ANSWER DOWNLOAD EXAMIANS APP