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 Large quantities of air at low pressures Small quantities of air at low pressures Large quantities of air at high pressures Small quantities of air at high pressures Large quantities of air at low pressures Small quantities of air at low pressures 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 inlet guide vanes only In the diffuser and impeller In the diffuser only In the impeller only In the inlet guide vanes only In the diffuser and impeller In the diffuser only ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the false statement Gas turbine is a self starting unit Exhaust losses in gas turbine are high due to large mass flow rate Overall efficiency of gas turbine plant is lower than that of a reciprocating engine Gas turbine does not require huge quantity of water like steam plant Gas turbine is a self starting unit Exhaust losses in gas turbine are high due to large mass flow rate Overall efficiency of gas turbine plant is lower than that of a reciprocating engine Gas turbine does not require huge quantity of water like steam plant ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor efficiency is the Total output/air input Compression work/motor input Isothermal H.P/indicated H.R Isothermal H.P./shaft H.R Total output/air input Compression work/motor input Isothermal H.P/indicated H.R Isothermal H.P./shaft H.R ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The absolute pressure of air at the outlet of a compressor is called Critical pressure Discharge pressure Back pressure None of the listed here Critical pressure Discharge pressure Back pressure None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum compression ratio in an actual single stage axial flow compressor is of the order of 0.045138888888889 0.043055555555556 0.00070833333333333 0.048611111111111 0.045138888888889 0.043055555555556 0.00070833333333333 0.048611111111111 ANSWER DOWNLOAD EXAMIANS APP