Compressors, Gas Turbines and Jet Engines In which case the air-fuel ratio is likely to be maximum? Gas turbine 4-stroke petrol engine 4-stroke diesel engine Multi cylinder engine Gas turbine 4-stroke petrol engine 4-stroke diesel engine Multi cylinder engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Isentropic compression Polytropic compression None of the listed here Isothermal compression Isentropic compression Polytropic compression None of the listed here Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of compression is the ratio of Pressures at discharge and suction corresponding to same temperature Gauge discharge pressure to the gauge intake pressure Stroke volume and clearance volume Absolute discharge pressure to the absolute intake pressure Pressures at discharge and suction corresponding to same temperature Gauge discharge pressure to the gauge intake pressure Stroke volume and clearance volume Absolute discharge pressure to the absolute intake pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is given by 1 + k - k (p₂/p₁)1/n 1 + k - k (p₂/p₁) n-1/n 1 - k + k (p₁/p₂) n- 1/n 1 - k + k (p₁/p₂)1/n 1 + k - k (p₂/p₁)1/n 1 + k - k (p₂/p₁) n-1/n 1 - k + k (p₁/p₂) n- 1/n 1 - k + k (p₁/p₂)1/n ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Increasing the compression work Increasing the turbine work Decreasing the compression work Both (A) and (C) above Increasing the compression work Increasing the turbine work Decreasing the compression work Both (A) and (C) above 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
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