Compressors, Gas Turbines and Jet Engines Volumetric efficiency is The ratio of stroke volume to clearance volume The ratio of the air actually delivered to the amount of piston displacement Reciprocal of compression ratio Index of compressor performance The ratio of stroke volume to clearance volume The ratio of the air actually delivered to the amount of piston displacement Reciprocal of compression ratio Index of compressor performance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines the products of combustion after passing through the gas turbine are discharged into Vacuum Back to the compressor Discharge nozzle Atmosphere Vacuum Back to the compressor Discharge nozzle Atmosphere ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum delivery pressure is a rotary air compressor is of the order of 10 kg/cm² 25 kg/cm² 6 kg/cm² 16 kg/cm² 10 kg/cm² 25 kg/cm² 6 kg/cm² 16 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor has the following advantage over centrifugal compressor Larger air handling ability per unit frontal area Higher pressure ratio per stage Aerofoil blades are used Higher average velocities Larger air handling ability per unit frontal area Higher pressure ratio per stage Aerofoil blades are used Higher average velocities ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a two stage compressor p₁ = p₂ p3 p₁/p₃ = p₂/p₁ p₁ = p3 p₂/p₁ = p₃/p₂ p₁ = p₂ p3 p₁/p₃ = p₂/p₁ p₁ = p3 p₂/p₁ = p₃/p₂ 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 Thrust and range of aircraft Efficiency of the engine None of these Both (A) and (B) Thrust and range of aircraft Efficiency of the engine None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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