Compressors, Gas Turbines and Jet Engines In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in ________ of the piston. Two strokes One stroke Three strokes Four strokes Two strokes One stroke Three strokes Four strokes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor has the following advantage over centrifugal compressor 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 Larger air handling ability per unit frontal area Higher pressure ratio per stage ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A large clearance volume in a reciprocating compressor results in Increased volume flow rate Reduced volume flow rate Lower delivery pressure Lower suction pressure Increased volume flow rate Reduced volume flow rate Lower delivery pressure Lower suction pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If p₁, is the pressure of air entering the L.P. cylinder and p₂ is the pressure of air leaving the L.P. cylinder (or inter-cooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D₁ = Dia. of L.P. cylinder, and D₂ = Dia. of H.P. cylinder) None of these D₁/D₂ = p₁ p₂ D₁/D₂ = p₂/p₁ D₁/D₂ = p₁/p₂ None of these D₁/D₂ = p₁ p₂ D₁/D₂ = p₂/p₁ D₁/D₂ = p₁/p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermodynamic efficiency of rotary compressor is based on Isothermal compression Adiabatic compression Isentropic compression Polytropic compression Isothermal compression Adiabatic compression Isentropic compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Adiabatic None of these Isothermal Polytropic Adiabatic None of these Isothermal Polytropic ANSWER DOWNLOAD EXAMIANS APP
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