Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the flow of air is ________ to the axis of compressor. Inclined Perpendicular None of these Parallel Inclined Perpendicular None of these Parallel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of compressor is defined as the ratio of Work to compress air isothermally to work for actual compression Isothermal h.p. to the BHP of motor Power to drive compressor to isothermal h.p. Isothermal h.p. to adiabatic h.p. Work to compress air isothermally to work for actual compression Isothermal h.p. to the BHP of motor Power to drive compressor to isothermal h.p. Isothermal h.p. to adiabatic h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ram compression in turbojet involves Reduction of speed of incoming air and conversion of part of it into pressure energy Lost work Increasing speed of incoming air Compression of inlet air Reduction of speed of incoming air and conversion of part of it into pressure energy Lost work Increasing speed of incoming air Compression of inlet air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust of a jet propulsion power unit can be increased by Burning fuel after gas turbine All of these Injecting ammonia into the combustion chamber Injecting water into the compressor Burning fuel after gas turbine All of these Injecting ammonia into the combustion chamber Injecting water into the compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the correct statement Large gas turbines use radial inflow turbines Gas turbines use both air and liquid cooling Gas turbines have their blades similar to steam turbine Gas turbine's blade will appear as impulse section at the hub and as a reaction section at tip Large gas turbines use radial inflow turbines Gas turbines use both air and liquid cooling Gas turbines have their blades similar to steam turbine Gas turbine's blade will appear as impulse section at the hub and as a reaction section at tip ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be Backward curved Radial Forward curved None of the listed here Backward curved Radial Forward curved None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS