Compressors, Gas Turbines and Jet Engines The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage. Three times Double Equal to Six times Three times Double Equal to Six times ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines 1 m of air at atmospheric condition weighs approximately 1.3 kg 0.5 kg 1.0 kg 2.2 kg 1.3 kg 0.5 kg 1.0 kg 2.2 kg 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 Both (A) and (B) Thrust and range of aircraft None of these Efficiency of the engine Both (A) and (B) Thrust and range of aircraft ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as Compressor efficiency Isothermal efficiency Volumetric efficiency Mechanical efficiency Compressor efficiency Isothermal efficiency Volumetric efficiency Mechanical 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/p₃ p₂ = p₁ × p₂ p₂ = p₁ × p₃ p₂ = p₃/p₁ p₂ = p₁/p₃ p₂ = p₁ × p₂ p₂ = p₁ × p₃ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.85 0.99 0.9 0.75 0.85 0.99 0.9 0.75 ANSWER DOWNLOAD EXAMIANS APP
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