Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine consists of a All of these Compressor Heating chamber Cooling chamber All of these Compressor Heating chamber Cooling chamber 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 = p₂/p₁ D₁/D₂ = p₁ p₂ D₁/D₂ = p₁/p₂ None of these D₁/D₂ = p₂/p₁ D₁/D₂ = p₁ p₂ D₁/D₂ = p₁/p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Increasing the compression work Both (A) and (C) above Decreasing the compression work Increasing the turbine work Increasing the compression work Both (A) and (C) above Decreasing the compression work Increasing the turbine work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The axial flow compressor is preferred in aircraft gas turbines because of Low frontal area None of the listed here High pressure rise Higher thrust Low frontal area None of the listed here High pressure rise Higher thrust ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Free air is the air at Atmospheric conditions at any specific location 15°C and 1 kg/cm² 0°C and standard atmospheric conditions 20°C and 1 kg/cm² and relative humidity of 36% Atmospheric conditions at any specific location 15°C and 1 kg/cm² 0°C and standard atmospheric conditions 20°C and 1 kg/cm² and relative humidity of 36% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in flow Decrease in flow Increase in efficiency Increase in flow and decrease in efficiency Increase in flow Decrease in flow Increase in efficiency Increase in flow and decrease in efficiency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS