Compressors, Gas Turbines and Jet Engines Axial flow compressor resembles Reciprocating pump Turbine Sliding vane compressor Centrifugal pump Reciprocating pump Turbine Sliding vane compressor Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor efficiency is the Isothermal H.P./shaft H.R Isothermal H.P/indicated H.R Total output/air input Compression work/motor input Isothermal H.P./shaft H.R Isothermal H.P/indicated H.R Total output/air input Compression work/motor input ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is Can't be compared Higher Equal Lower Can't be compared Higher Equal Lower ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 1700 km/hr 550 km/hr 1050 km/hr 2400 km/hr 1700 km/hr 550 km/hr 1050 km/hr 2400 km/hr ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work in multistage compression, assuming same index of compression in all stages Work done in subsequent stages should decrease Work done in subsequent stages should increase Work done in all stages should be equal Work done in first stage should be more Work done in subsequent stages should decrease Work done in subsequent stages should increase Work done in all stages should be equal Work done in first stage should be more 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 None of these Isentropic compression Isothermal compression Polytropic compression None of these Isentropic compression Isothermal compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP