Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine works on Ericsson cycle Carnot cycle Rankine cycle Joule cycle Ericsson cycle Carnot cycle Rankine cycle Joule cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turbine and fixed higher and lower temperature) with increase in pressure ratio will Decrease continuously Increase first at slow rate and then fast Increase first at fast rate and then slow First increase, reach maximum and then decrease Decrease continuously Increase first at slow rate and then fast Increase first at fast rate and then slow First increase, reach maximum and then decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of Oxygen alone Vacuum Atmospheric air Compressed air Oxygen alone Vacuum Atmospheric air Compressed air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency can be attained by running the compressor At zero speed At very slow speed At very high speed At average speed At zero speed At very slow speed At very high speed At average speed 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 V = Uo U < Vo Vi = Vo Vt > Vo V = Uo U < Vo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reciprocating air compressor is best suited for Large quantity of air at low pressure Small quantity of air at low pressure Large quantity of air at high pressure Small quantity of air at high pressure Large quantity of air at low pressure Small quantity of air at low pressure Large quantity of air at high pressure Small quantity of air at high pressure ANSWER DOWNLOAD EXAMIANS APP
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