Compressors, Gas Turbines and Jet Engines The efficiency of a jet engine is higher at Low altitudes Low speeds High speeds High altitudes Low altitudes Low speeds High speeds High altitudes 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 inefficient It is bulky None of these It requires cooling water for its operation It is inefficient It is bulky None of these It requires cooling water for its operation ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet propulsion power unit, the inlet duct of diverging shape is used in order to Collect more air Convert kinetic energy of air into pressure energy Provide robust structure Beautify the shape Collect more air Convert kinetic energy of air into pressure energy Provide robust structure Beautify the shape ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressed air may be used In gas turbine plants In starting and supercharging of I.C. engines For operating pneumatic drills All of the listed here In gas turbine plants In starting and supercharging of I.C. engines For operating pneumatic drills All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For maximum work, the reheating should be done to an intermediate pressure of (Where p₁ = Maximum pressure, and p₂ = Minimum pressure) p₁/p₂ (p₁ - p₂)/2 (p₁ + p₂)/2 p₁ p₂ p₁/p₂ (p₁ - p₂)/2 (p₁ + p₂)/2 p₁ p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines During base load operation, the best method of controlling compressor is Start-stop motor Constant speed unloader Variable speed Relief valve Start-stop motor Constant speed unloader Variable speed Relief valve ANSWER DOWNLOAD EXAMIANS APP