Compressors, Gas Turbines and Jet Engines A rotary compressor is driven by an Either (A) or (B) None of these Electric motor Engine Either (A) or (B) None of these Electric motor Engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 20 - 30% 40 - 50% 60 - 70% 70 - 90% 20 - 30% 40 - 50% 60 - 70% 70 - 90% 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) D₁/D₂ = p₁/p₂ D₁/D₂ = p₁ p₂ D₁/D₂ = p₂/p₁ None of these D₁/D₂ = p₁/p₂ D₁/D₂ = p₁ p₂ D₁/D₂ = p₂/p₁ None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency First decrease and then increase Decreases Increases Does not change First decrease and then increase Decreases Increases Does not change ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in the Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stator Stator to static enthalpy rise in the stage Rotor to static enthalpy rise in the stage Stator to static enthalpy rise in the rotor Rotor to static enthalpy rise in the stator Stator to static enthalpy rise in the stage Rotor to static enthalpy rise in the stage ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The hottest point in a gas turbine is at the base in the center between ~ to i of the blade height at the tip at the base in the center between ~ to i of the blade height at the tip ANSWER DOWNLOAD EXAMIANS APP