Compressors, Gas Turbines and Jet Engines The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl. Increased None of these Zero Reduced Increased None of these Zero Reduced ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a three stage compressor p₁ p₃ = p₂ p₄ p₂/p₁ = p₃/p₂ = p₄/p₃ p₃/p₁ = p₄/p₂ p₁ p₂ = p₃ p₄ p₁ p₃ = p₂ p₄ p₂/p₁ = p₃/p₂ = p₄/p₃ p₃/p₁ = p₄/p₂ p₁ p₂ = p₃ p₄ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines What will be the volume of air at 327°C if its volume at 27°C is 1.5 m³/ mt? 18 m³/ mt. 6 m³/ mt. 3 m³/ mt. 1.5 m³/ mt. 18 m³/ mt. 6 m³/ mt. 3 m³/ mt. 1.5 m³/ mt. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches Isothermal Isochoric Isentropic Adiabatic Isothermal Isochoric Isentropic Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about advantages of multistage compressor in comparison to single stage compressor? Better mechanical balance Less loss of air due to leakage past the cylinder Lower volumetric efficiency Less power requirement Better mechanical balance Less loss of air due to leakage past the cylinder Lower volumetric efficiency Less power requirement ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The axial flow compressor is preferred in aircraft gas turbines because of Higher thrust High pressure rise Low frontal area None of the listed here Higher thrust High pressure rise Low frontal area None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS