Compressors, Gas Turbines and Jet Engines Ratio of compression is the ratio of Pressures at discharge and suction corresponding to same temperature Absolute discharge pressure to the absolute intake pressure Gauge discharge pressure to the gauge intake pressure Stroke volume and clearance volume Pressures at discharge and suction corresponding to same temperature Absolute discharge pressure to the absolute intake pressure Gauge discharge pressure to the gauge intake pressure Stroke volume and clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If p₁ is the pressure of air entering the L.P, cylinder and p₃ is the pressure of air leaving the H.P. cylinder, then the ratio of cylinder diameters for a single acting, two stage reciprocating compressor with complete intercooling is given by D₁/D₂ = (p₃/p₁)1/4 D₁/D₂ = (p₁/p₃)1/4 D₁/D₂ = (p₁ p₃)1/4 D₁/D₂ = (p₁ p₃)1/2 D₁/D₂ = (p₃/p₁)1/4 D₁/D₂ = (p₁/p₃)1/4 D₁/D₂ = (p₁ p₃)1/4 D₁/D₂ = (p₁ p₃)1/2 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A simple turbojet engine is basically Gas turbine engine equipped with a propulsive nozzle and diffuse A propeller system Chemical rocket engine Ramjet engine Gas turbine engine equipped with a propulsive nozzle and diffuse A propeller system Chemical rocket engine Ramjet engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A large clearance volume in a reciprocating compressor results in Reduced volume flow rate Lower suction pressure Increased volume flow rate Lower delivery pressure Reduced volume flow rate Lower suction pressure Increased volume flow rate Lower delivery pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To increase the efficiency To save fuel To reduce the exit temperature To increase the output To increase the efficiency To save fuel To reduce the exit temperature To increase the output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct as regard to centrifugal compressors? The flow of air is parallel to the axis of the compressor The maximum efficiency is higher than multistage axial flow compressors The impeller rotates at high speeds The static pressure of air in the impeller increases in order to provide centripetal force on the air The flow of air is parallel to the axis of the compressor The maximum efficiency is higher than multistage axial flow compressors The impeller rotates at high speeds The static pressure of air in the impeller increases in order to provide centripetal force on the air ANSWER DOWNLOAD EXAMIANS APP
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