Compressors, Gas Turbines and Jet Engines The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is High Same Low Low/high depending on make and type High Same Low Low/high depending on make and type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Only rocket engines can be propelled to space because These engines can work on several fuels They have high propulsion efficiency They are not air breathing engines They can generate very high thrust These engines can work on several fuels They have high propulsion efficiency They are not air breathing engines They can generate very high thrust ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Increasing the turbine work Decreasing the compression work Both (A) and (C) above Increasing the compression work Increasing the turbine work Decreasing the compression work Both (A) and (C) above Increasing the compression work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling. More than Less than None of these Equal to More than Less than None of these Equal to 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 U < Vo Vt > Vo V = Uo Vi = Vo U < Vo Vt > Vo V = Uo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The velocity of air entering in a rocket is ___ as compared to an aircraft. Less Same Zero More Less Same Zero More ANSWER DOWNLOAD EXAMIANS APP
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