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- 1. Multiple Choice
Air and ________ are combined in the combustion chamber to produce chemical energy.
Coal
Water
Natural gas
Turbine
- 2. Multiple Choice
Compressor will squeeze air until the air get hotter and air ________ increase.
Pressure
Ambient
Turbine
Flight
- 3. Multiple Choice
What happen in combustion chamber?
Fuel will injected and it burned with hot air.
Air was compressed and getting hotter.
Hot air rotate turbine blade.
Air cooled to ambient temperature.
- 4. Multiple Choice
Turbine convert ______(A)______ energy to ______(B)_______ energy.
A power
B propulsion
A mechanical
B electrical
A kinetic
B potential
A chemical
B mechanical
- 5. Multiple Choice
What component is placed in between compressors?
Regenerator
Heat Exchanger
Intercooler
Reheater
- 6. Multiple Choice
This type of gas turbine used as ...
power plant
fighter jet
airplane engine
ship propulsion
- 7. Multiple Choice
Regenerator utilise ________ from exhaust.
temperature
heat
kelvin
hot
- 8. Multiple Choice
A closed cycle gas turbine gives __________ efficiency as compared to an open cycle gas turbine.
lower
same
higher
- 9. Multiple Choice
Complete the analogy: Diesel cycle: diesel engine - __________: gas turbine.
Brayton cycle
Carnot cycle
Otto cycle
Stirling cycle
- 10. Multiple Choice
In Brayton cycle heat is added at constant __________,
mass
pressure
temperature
volume
- 11. Multiple Choice
Pressure at the beginning and after compression of a gas turbine are 1 bar and 12 bars, respectively. The maximum temperature that can be employed is 1200 K. What is the efficiency?
25%
51%
72%
90%
- 12. Multiple Choice
In which field gas turbines is NOT applied?
aviation
marine propulsion
power plant
steam production
- 13. Multiple Choice
Which of he following methods can NOT be used to improve the thermal efficiency of open cycle gas turbine plant?
condensation
inter-cooling
regeneration
reheating
- 14. Multiple Choice
What is common between an open cycle and closed cycle gas turbines?
compressor
combustion chamber
re-heater
inter-cooler
- 15. Multiple Choice
In Brayton cycle, what thermodynamic process is involved during compression?
adiabatic process
isobaric process
isochoric process
isothermal process
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