Compressors, Gas Turbines and Jet Engines The mass of gas turbine per kW developed is about ________ as that of an I.C. engine. One fourth One-half One sixth Same One fourth One-half One sixth Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl. Zero None of these Reduced Increased Zero None of these Reduced Increased 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 fast rate and then slow Increase first at slow rate and then fast First increase, reach maximum and then decrease Decrease continuously Increase first at fast rate and then slow Increase first at slow rate and then fast First increase, reach maximum and then decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to internal combustion engine Produces uniform torque Has more efficiency All of the listed here Can be driven at a very high speed Produces uniform torque Has more efficiency All of the listed here Can be driven at a very high speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In air breathing jet engine, the jet is formed by expanding Liquid Solids Highly heated atmospheric air Plasma Liquid Solids Highly heated atmospheric air Plasma ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The fuel consumption in gas turbines is accounted for by Heating value Higher heating value Lower heating value Higher calorific value Heating value Higher heating value Lower heating value Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
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