Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency can be attained by running the compressor At average speed At zero speed At very high speed At very slow speed At average speed At zero speed At very high speed At very slow speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Only rocket engines can be propelled to space because They are not air breathing engines These engines can work on several fuels They can generate very high thrust They have high propulsion efficiency They are not air breathing engines These engines can work on several fuels They can generate very high thrust They have high propulsion efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The inter-cooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by (where p₁ = Intake pressure of air, p₂ = Inter-cooler pressure, and p₃ = Delivery pressure of air) p₂ = p₃/p₁ p₂ = p₁ × p₂ p₂ = p₁/p₃ p₂ = p₁ × p₃ p₂ = p₃/p₁ p₂ = p₁ × p₂ p₂ = p₁/p₃ p₂ = p₁ × p₃ 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 Centripetal action Conversion of kinetic energy into pressure energy Generating pressure directly Conversion of pressure energy into kinetic energy Centripetal action Conversion of kinetic energy into pressure energy Generating pressure directly ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the Total adiabatic temperature drop Adiabatic temperature drop in the stage Total temperature drop in the stage Total temperature drop Total adiabatic temperature drop Adiabatic temperature drop in the stage Total temperature drop in the stage Total temperature drop ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the None of these Efficiency of the engine Thrust and range of aircraft Both (A) and (B) None of these Efficiency of the engine Thrust and range of aircraft Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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