Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Increases None of these Decreases Does not change Increases None of these Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio in gas turbines is of the order of 0.37569444444444 0.16736111111111 0.084027777777778 2.5423611111111 0.37569444444444 0.16736111111111 0.084027777777778 2.5423611111111 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Conversion of pressure energy into kinetic energy Conversion of kinetic energy into pressure energy Generating pressure directly Centripetal action Conversion of pressure energy into kinetic energy Conversion of kinetic energy into pressure energy Generating pressure directly Centripetal action ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a two stage compressor p₁ = p₂ p3 p₁ = p3 p₁/p₃ = p₂/p₁ p₂/p₁ = p₃/p₂ p₁ = p₂ p3 p₁ = p3 p₁/p₃ = p₂/p₁ p₂/p₁ = p₃/p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance, the work-done on the air during isentropic compression is ________ the heat required to raise the temperature of air from T₁ to T₂ at a constant pressure. Greater than None of these Less than Equal to Greater than None of these Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of High specific volume High friction losses Increasing gas temperature Paucity of O2 High specific volume High friction losses Increasing gas temperature Paucity of O2 ANSWER DOWNLOAD EXAMIANS APP
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