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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Water is injected in gas turbine cycle to

Control output of turbine
Control temperature
Increase efficiency
Control fire hazards

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Compressors, Gas Turbines and Jet Engines
The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is

Same
May be less or more depending on ambient conditions
Less
More

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Compressors, Gas Turbines and Jet Engines
Stalling of blades in axial flow compressor is the phenomenon of

Motion of air at sonic velocity
Air stream blocking the passage
Air stream not able to follow the blade contour
Unsteady periodic and reversed flow

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Compressors, Gas Turbines and Jet Engines
Gas turbine works on

Brayton or Atkinson cycle
Ericsson cycle
Rankine cycle
Carnot cycle

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Compressors, Gas Turbines and Jet Engines
Standard air is the air at ___ and relative humidity of 36 percent.

0.1 bar and 40°C
1 bar and 20°C
1 bar and 40°C
0.1 bar and 20°C

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Compressors, Gas Turbines and Jet Engines
Free air is the air at

0°C and standard atmospheric conditions
15°C and 1 kg/cm²
Atmospheric conditions at any specific location
20°C and 1 kg/cm² and relative humidity of 36%

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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