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 The atmosphere A source of high temperature air A source at 0° C A source of low temperature air The atmosphere A source of high temperature air A source at 0° C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Increases First decreases and then increases Remain constant Decreases Increases First decreases and then increases Remain constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Turbofan engine employs No air stream Solid fuel firing Two or more air streams One air stream No air stream Solid fuel firing Two or more air streams One air stream ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the correct statement Gas turbines use both air and liquid cooling Gas turbines have their blades similar to steam turbine Gas turbine's blade will appear as impulse section at the hub and as a reaction section at tip Large gas turbines use radial inflow turbines Gas turbines use both air and liquid cooling Gas turbines have their blades similar to steam turbine Gas turbine's blade will appear as impulse section at the hub and as a reaction section at tip Large gas turbines use radial inflow turbines 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 Equal Can't be compared Lower Higher Equal Can't be compared Lower Higher ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work done per unit mass of air in compression will be least when 'n' is equal to 1.4 1 1.2 1.3 1.4 1 1.2 1.3 ANSWER DOWNLOAD EXAMIANS APP
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