Compressors, Gas Turbines and Jet Engines Which of the following fuels can be used in turbojet engines? Kerosene Liquid hydrogen High speed diesel oil Methyl alcohol Kerosene Liquid hydrogen High speed diesel oil Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A compressor mostly used for supercharging of I.C. engines is Axial flow compressor Reciprocating compressor Radial flow compressor Roots blower Axial flow compressor Reciprocating compressor Radial flow compressor Roots blower ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct relating to rocket engines? The exit velocities of exhaust gases are much higher than those in jet engine The stagnation conditions exist at the combustion chamber The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel All of these The exit velocities of exhaust gases are much higher than those in jet engine The stagnation conditions exist at the combustion chamber The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air delivered in a medium capacity air compressor per unit time is Above 5 m³/s 0.15 to 5 m³/s 0.1 to 1.2 m³/s None of these Above 5 m³/s 0.15 to 5 m³/s 0.1 to 1.2 m³/s None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work required to compress and deliver a quantity of air by multistage compression The compression ratio in each stage should be same The intercooling should be perfect All of the listed here The work-done in each stage should be same The compression ratio in each stage should be same The intercooling should be perfect All of the listed here The work-done in each stage should be same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume Decreases with increase in compression ratio Increases with increase in compression ratio May increase/decrease depending on compressor capacity Is not dependent upon compression ratio Decreases with increase in compression ratio Increases with increase in compression ratio May increase/decrease depending on compressor capacity Is not dependent upon compression ratio ANSWER DOWNLOAD EXAMIANS APP