WorksheetsTurbines
Total questions: 15
Worksheet time: 19mins
Air and ________ are combined in the combustion chamber to produce chemical energy.
Coal
Water
Natural gas
Turbine
Compressor will squeeze air until the air get hotter and air ________ increase.
Pressure
Ambient
Turbine
Flight
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.
Turbine convert ______(A)______ energy to ______(B)_______ energy.
A power
B propulsion
A mechanical
B electrical
A kinetic
B potential
A chemical
B mechanical
What component is placed in between compressors?
Regenerator
Heat Exchanger
Intercooler
Reheater
This type of gas turbine used as ...
power plant
fighter jet
airplane engine
ship propulsion
Regenerator utilise ________ from exhaust.
temperature
heat
kelvin
hot
A closed cycle gas turbine gives __________ efficiency as compared to an open cycle gas turbine.
lower
same
higher
Complete the analogy: Diesel cycle: diesel engine - __________: gas turbine.
Brayton cycle
Carnot cycle
Otto cycle
Stirling cycle
In Brayton cycle heat is added at constant __________,
mass
pressure
temperature
volume
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%
In which field gas turbines is NOT applied?
aviation
marine propulsion
power plant
steam production
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
What is common between an open cycle and closed cycle gas turbines?
compressor
combustion chamber
re-heater
inter-cooler
In Brayton cycle, what thermodynamic process is involved during compression?
adiabatic process
isobaric process
isochoric process
isothermal process
