Compressors, Gas Turbines and Jet Engines For supplying intermittent small quantity of air at high pressure, following compressor is best suited Axial Screw Centrifugal Reciprocating Axial Screw Centrifugal Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio in gas turbines Reduces exhaust temperature Increases power output Improves thermal efficiency Do not damage turbine blades Reduces exhaust temperature Increases power output Improves thermal efficiency Do not damage turbine blades ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A jet engine has Propeller at back Propeller on the top No propeller Propeller in front Propeller at back Propeller on the top No propeller Propeller in front 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 None of these Equal to Less than More than None of these Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Surging is the phenomenon of Motion of air at sonic velocity Air stream blocking the passage Air stream not able to follow the blade contour Unsteady, periodic and reversed flow Motion of air at sonic velocity Air stream blocking the passage Air stream not able to follow the blade contour Unsteady, periodic and reversed flow 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 Increase first at fast rate and then slow First increase, reach maximum and then decrease Increase first at slow rate and then fast Decrease continuously Increase first at fast rate and then slow First increase, reach maximum and then decrease Increase first at slow rate and then fast Decrease continuously ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS