Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because It is inefficient None of these It requires cooling water for its operation It is bulky It is inefficient None of these It requires cooling water for its operation It is bulky ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ram compression in turbojet involves Increasing speed of incoming air Compression of inlet air Lost work Reduction of speed of incoming air and conversion of part of it into pressure energy Increasing speed of incoming air Compression of inlet air Lost work Reduction of speed of incoming air and conversion of part of it into pressure energy 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 Increase first at slow rate and then fast Decrease continuously First increase, reach maximum and then decrease Increase first at fast rate and then slow Increase first at slow rate and then fast Decrease continuously First increase, reach maximum and then decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is The ratio of stroke volume to clearance volume Index of compressor performance Reciprocal of compression ratio The ratio of the air actually delivered to the amount of piston displacement The ratio of stroke volume to clearance volume Index of compressor performance Reciprocal of compression ratio The ratio of the air actually delivered to the amount of piston displacement ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mining industry usually employs following motive power Compressed air Petrol engine Diesel engine C. electric motor Compressed air Petrol engine Diesel engine C. electric motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the correct statement Gas turbine's blade will appear as impulse section at the hub and as a reaction section at tip Gas turbines have their blades similar to steam turbine Gas turbines use both air and liquid cooling Large gas turbines use radial inflow turbines Gas turbine's blade will appear as impulse section at the hub and as a reaction section at tip Gas turbines have their blades similar to steam turbine Gas turbines use both air and liquid cooling Large gas turbines use radial inflow turbines ANSWER DOWNLOAD EXAMIANS APP
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