Compressors, Gas Turbines and Jet Engines Fighter bombers use following type of engine Turbojet Rocket Ramjet Turbo-propeller Turbojet Rocket Ramjet Turbo-propeller ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the delivery pressure at the fourth stage will be 1 bar 256 bar 16 bar 64 bar 1 bar 256 bar 16 bar 64 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity Vi = Vo Vt > Vo U < Vo V = Uo Vi = Vo Vt > Vo U < Vo V = Uo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into Back to the compressor Atmosphere Vacuum Discharge nozzle Back to the compressor Atmosphere Vacuum Discharge nozzle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Diffuser in a compressor is used to Make the flow streamline Convert kinetic energy into pressure energy Convert pressure energy into kinetic energy Increase velocity Make the flow streamline Convert kinetic energy into pressure energy Convert pressure energy into kinetic energy Increase velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Increasing the compression work Increasing the turbine work Both (A) and (C) above Decreasing the compression work Increasing the compression work Increasing the turbine work Both (A) and (C) above Decreasing the compression work ANSWER DOWNLOAD EXAMIANS APP
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