Compressors, Gas Turbines and Jet Engines The maximum combustion pressure in gas turbine as compared to I.C. engine is Same Less More Depends on other factors Same Less More Depends on other factors ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of Paucity of O2 High friction losses High specific volume Increasing gas temperature Paucity of O2 High friction losses High specific volume Increasing gas temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to internal combustion engine Produces uniform torque All of the listed here Can be driven at a very high speed Has more efficiency Produces uniform torque All of the listed here Can be driven at a very high speed Has more efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor. Inlet velocity of flow Outlet velocity of flow Inlet whirl velocity Outlet whirl velocity Inlet velocity of flow Outlet velocity of flow Inlet whirl velocity Outlet whirl velocity 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 U < Vo Vt > Vo V = Uo Vi = Vo U < Vo Vt > Vo V = Uo Vi = Vo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum temperature in a gas turbine is of the order of 700°C 1000°C 1500°C 2000°C 700°C 1000°C 1500°C 2000°C ANSWER DOWNLOAD EXAMIANS APP
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