Compressors, Gas Turbines and Jet Engines After-cooler is used to Decrease the delivery temperature for ease in handling Reduce volume Cause moisture and oil vapour to drop out Cool the air Decrease the delivery temperature for ease in handling Reduce volume Cause moisture and oil vapour to drop out Cool the air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine works on Carnot cycle Ericsson cycle Joule cycle Rankine cycle Carnot cycle Ericsson cycle Joule cycle Rankine cycle 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 Vi = Vo V = Uo U < Vo Vt > Vo Vi = Vo V = Uo 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 In jet engines, paraffin is usually used as the fuel because of its Ease of atomisation Low freezing point Both (A) and (C) above High calorific value Ease of atomisation Low freezing point Both (A) and (C) above High calorific value ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In axial flow compressor, exit flow angle deviation from the blade angle is a function of Blade camber and incidence angle Blade camber Blade camber and space-chord ratio Space-chord ratio Blade camber and incidence angle Blade camber Blade camber and space-chord ratio Space-chord ratio ANSWER DOWNLOAD EXAMIANS APP
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