Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.99 0.9 0.85 0.75 0.99 0.9 0.85 0.75 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines the products of combustion after passing through the gas turbine are discharged into Vacuum Discharge nozzle Atmosphere Back to the compressor Vacuum Discharge nozzle Atmosphere Back to the compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is Reciprocal of compression ratio Index of compressor performance The ratio of the air actually delivered to the amount of piston displacement The ratio of stroke volume to clearance volume Reciprocal of compression ratio Index of compressor performance The ratio of the air actually delivered to the amount of piston displacement The ratio of stroke volume to clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In multistage compressor, the isothermal compression is achieved by Employing inter-cooler By running compressor at very slow speed By constantly cooling the cylinder By insulating the cylinder Employing inter-cooler By running compressor at very slow speed By constantly cooling the cylinder By insulating the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Adiabatic compression is one in which Temperature during compression remains constant No heat leaves or enters the compressor cylinder during compression Work done is maximum Temperature rise follows a linear relationship Temperature during compression remains constant No heat leaves or enters the compressor cylinder during compression Work done is maximum Temperature rise follows a linear relationship ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The indicated work per unit mass of air delivered is Not affected by clearance volume Directly proportional to clearance volume Inversely proportional to clearance volume Greatly affected by clearance volume Not affected by clearance volume Directly proportional to clearance volume Inversely proportional to clearance volume Greatly affected by clearance volume ANSWER DOWNLOAD EXAMIANS APP
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