Compressors, Gas Turbines and Jet Engines The net work input required for compressor with increase in clearance volume Remains same Decreases Increases/decreases depending on compressor capacity Increases Remains same Decreases Increases/decreases depending on compressor capacity Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is The ratio of the air actually delivered to the amount of piston displacement Index of compressor performance Reciprocal of compression ratio The ratio of stroke volume to clearance volume The ratio of the air actually delivered to the amount of piston displacement Index of compressor performance Reciprocal of compression ratio The ratio of stroke volume to clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Both (A) and (C) above Increasing the turbine work Increasing the compression work Decreasing the compression work Both (A) and (C) above Increasing the turbine work Increasing the compression work Decreasing the compression work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of specific weight/h.p. of gas turbine and I.C engines may be typically of the order of 0.042361111111111 0.045833333333333 0.084027777777778 0.16736111111111 0.042361111111111 0.045833333333333 0.084027777777778 0.16736111111111 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in Exit nozzle, which is a constant volume process Exit nozzle, which is essentially an isentropic process Turbine blades, which is a constant volume process Turbine blades, which is essentially an isentropic process Exit nozzle, which is a constant volume process Exit nozzle, which is essentially an isentropic process Turbine blades, which is a constant volume process Turbine blades, which is essentially an isentropic process ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct relating to rocket engines? All of these The exit velocities of exhaust gases are much higher than those in jet engine The stagnation conditions exist at the combustion chamber The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel All of these The exit velocities of exhaust gases are much higher than those in jet engine The stagnation conditions exist at the combustion chamber The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel ANSWER DOWNLOAD EXAMIANS APP