Compressors, Gas Turbines and Jet Engines The degree of reaction is usually kept ________ for all types of axial flow compressors. 0.4 0.5 0.2 0.3 0.4 0.5 0.2 0.3 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Only rocket engines can be propelled to space because They can generate very high thrust They are not air breathing engines They have high propulsion efficiency These engines can work on several fuels They can generate very high thrust They are not air breathing engines They have high propulsion efficiency These engines can work on several fuels 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/p₃ p₂ = p₁ × p₃ p₂ = p₁ × p₂ p₂ = p₃/p₁ p₂ = p₁/p₃ p₂ = p₁ × p₃ p₂ = p₁ × p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because It is bulky It is inefficient None of these It requires cooling water for its operation It is bulky It is inefficient None of these It requires cooling water for its operation ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The stagnation pressure rise in a centrifugal compressor takes place In the inlet guide vanes only In the diffuser only In the diffuser and impeller In the impeller only In the inlet guide vanes only In the diffuser only In the diffuser and impeller In the impeller only ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet propulsion Its functioning does not depend upon presence of air The propulsive matter is ejected from within the propelled body None of these The propulsive matter is caused to flow around the propelled body Its functioning does not depend upon presence of air The propulsive matter is ejected from within the propelled body None of these The propulsive matter is caused to flow around the propelled body ANSWER DOWNLOAD EXAMIANS APP