Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.99 0.9 0.75 0.85 0.99 0.9 0.75 0.85 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the wrong statement about advantages of multistage compression Better lubrication is possible advantages of multistage Air can be cooled perfectly in between More loss of air due to leakage past the cylinder Mechanical balance is better Better lubrication is possible advantages of multistage Air can be cooled perfectly in between More loss of air due to leakage past the cylinder Mechanical balance is better ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Efficiency of gas turbine is increased by Reheating Adding a regenerator All of the listed here Inter cooling Reheating Adding a regenerator All of the listed here Inter cooling ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because It requires cooling water for its operation It is inefficient None of these It is bulky It requires cooling water for its operation It is inefficient None of these It is bulky ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Standard air is the air at ___ and relative humidity of 36 percent. 1 bar and 40°C 1 bar and 20°C 0.1 bar and 40°C 0.1 bar and 20°C 1 bar and 40°C 1 bar and 20°C 0.1 bar and 40°C 0.1 bar and 20°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct as regard to centrifugal compressors? The impeller rotates at high speeds The maximum efficiency is higher than multistage axial flow compressors The static pressure of air in the impeller increases in order to provide centripetal force on the air The flow of air is parallel to the axis of the compressor The impeller rotates at high speeds The maximum efficiency is higher than multistage axial flow compressors The static pressure of air in the impeller increases in order to provide centripetal force on the air The flow of air is parallel to the axis of the compressor ANSWER DOWNLOAD EXAMIANS APP
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