Compressors, Gas Turbines and Jet Engines The mass of gas turbine per kW developed is about ________ as that of an I.C. engine. One-half Same One sixth One fourth One-half Same One sixth One fourth ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Multistage compression Cold water spray Fully insulating the cylinder Both (A) and (B) above Multistage compression Cold water spray Fully insulating the cylinder Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor without clearance volume, the work-done is maximum during Isothermal compression Polytropic compression None of these Isentropic compression Isothermal compression Polytropic compression None of these Isentropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the wrong statement about advantages of multistage compression Air can be cooled perfectly in between Better lubrication is possible advantages of multistage Mechanical balance is better More loss of air due to leakage past the cylinder Air can be cooled perfectly in between Better lubrication is possible advantages of multistage Mechanical balance is better More loss of air due to leakage past the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the correct statement 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 Gas turbine's blade will appear as impulse section at the hub and as a reaction section at tip ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet propulsion power unit, the inlet duct of diverging shape is used in order to Convert kinetic energy of air into pressure energy Beautify the shape Provide robust structure Collect more air Convert kinetic energy of air into pressure energy Beautify the shape Provide robust structure Collect more air ANSWER DOWNLOAD EXAMIANS APP
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