Compressors, Gas Turbines and Jet Engines In a double acting compressor, the air is compressed In two cylinders on both sides of the piston In one cylinder In a single cylinder on both sides of the piston In two cylinders In two cylinders on both sides of the piston In one cylinder In a single cylinder on both sides of the piston In two cylinders ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency Decreases Does not change First decrease and then increase Increases Decreases Does not change First decrease and then increase Increases 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 = p₁/p₂ D₁/D₂ = p₂/p₁ None of these D₁/D₂ = p₁ p₂ D₁/D₂ = p₁/p₂ D₁/D₂ = p₂/p₁ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio Remain same First increases and then decreases Decreases Increases Remain same First increases and then decreases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is 150 KW 6000 KW 600 KW 15 KW 150 KW 6000 KW 600 KW 15 KW ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A compressor at high altitude will draw More/less power depending on other factors Less power Same power More power More/less power depending on other factors Less power Same power More power ANSWER DOWNLOAD EXAMIANS APP