Quiz
Basic Gas Turbine Theory
Fragen in diesem Quiz (22)
1What are the basic sections of a turbine engine?
- AThe basic sections of a turbine engine are the intake, the compressor, the combustion chamber, the turbine and the exhaust section.
- BThe basic sections of a turbine engine are the intake, the compressor, the combustion chamber, the exhaust and the exhaust section.
- CThe basic sections of a turbine engine are the intake, the compressor, the combustion chamber, the turbo and the exhaust section.
- DThe basic sections of a turbine engine are the intake, the compressor, the combustion chamber, the fan blades and the exhaust section.
2What is the basic description of the functioning of a turbine engine?
- AAir is drawn (or rammed), via the intake, into a multi-stage compressor, fuel is added and ignited in the combustor, and the air is expanded through the turbine stages before being expelled out the back of the engine
- BAir is drawn (or rammed), via the intake, into a multi-stage compressor, fuel is added and ignited in the combustor, and the air is compressed through the turbine stages before being expelled out the back of the engine
- CAir is drawn (or rammed), via the intake, into a one-stage compressor, fuel is added and ignited in the combustor, and the air is compressed through the turbine stages before being expelled out the back of the engine
- DAir is drawn (or rammed), via the intake, into a one-stage compressor, fuel is added and ignited in the combustor, and the air is expanded through the turbine stages before being expelled out the back of the engine
3How is Newtons second law mathematically expressed?
- AF = Ma
- BE = Mc2
- CM = F/a
- DA = F/m
4What is newtons third law?
- AFor every action there is an equal and opposite reaction
- BEvery object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it.
- CThe relationship between an object's mass m, its acceleration a, and the applied force F is F = ma. Acceleration and force are vectors (as indicated by their symbols being displayed in slant bold font); in this law the direction of the force vector is the same as the direction of the acceleration vector.
5What is Charles' law?
- ACharles law states that at a constant pressure, the volume of a given mass of gas is directly proportional to its absolute temperature
- BCharles law states that at a constant density, the volume of a given mass of gas is directly proportional to its absolute temperature
- CCharles law states that at a constant pressure, the volume of a given mass of gas is directly proportional to its absolute pressure
- DCharles law states that at a constant pressure, the volume of a given mass of gas is directly proportional to its absolute density
6What is Boyles law?
- ABoyles law states that at a constant temperature, the pressure and the volume of a gas are inversely proportional.
- BBoyles law states that at a constant temperature, the pressure and the volume of a gas are directly proportional.
- CBoyles law states that at a constant temperature, the pressure and the volume of a liquid are directly proportional.
- DBoyles law states that at a constant temperature, the pressure and the volume of a liquid are inversely proportional.
7How does the temperature, density, pressure and velocity of a gas flow vary through a convergent duct at subsonic speed?
- ATemperature, density and pressure reduce and velocity increases.
- BTemperature, density and pressure increase and velocity reduces.
- CTemperature, density and pressure reduce and velocity stays the same.
- DTemperature, density and pressure reduce and velocity reduces.
8How does the temperature, density, pressure and velocity of a gas flow vary through a divergent duct at subsonic speed?
- ATemperature, density and pressure increase and velocity reduces
- BTemperature, density and pressure reduce and velocity reduces
- CTemperature, density and pressure increase and velocity increase
- DTemperature, density and pressure reduce and velocity increases
9How does the temperature, density, pressure and velocity of a gas flow vary through a convergent duct at super sonic speed?
- ATemperature, density and pressure increase and velocity reduces
- BTemperature, density and pressure increase and velocity increases
- CTemperature, density and pressure reduce and velocity reduces
- DTemperature, density and pressure reduce and velocity increases
10How does the temperature, density, pressure and velocity of a gas flow vary through a divergent duct at super sonic speed?
- ATemperature, density and pressure reduce and velocity increases
- BTemperature, density and pressure reduce and velocity reduces
- CTemperature, density and pressure increases and velocity increases
- DTemperature, density and pressure increases and velocity reduces
11Where does the subsonic flow decrease in velocity and increase in pressure
- AThrough a divergent duct
- BThrough a convergent duct
12Where does subsonic flow increase in velocity and decrease in pressure?
- AThrough a convergent duct
- BThrough a divergent duct
13Where does super sonic flow increase in velocity and decrease in pressure?
- AThrough a convergent duct
- BThrough a divergent duct
14Where does super sonic flow decrease in velocity and increase in pressure?
- AConvergent duct
- BDivergent duct
15What property is exhibited by accelerating gas flow?
- AThat the total energy is constant.
- BThat the total energy is increases.
- CThat the total energy is decreases.
16Where is a turbofan is the pressure the highest?
- AIn the diffuser.
- BExiting the exhaust
- CIn the compression chamber
- DIn the combustion chamber
17Where in a turbofan engine is the gas velocity highest?
- AIn the intake
- BExiting the exhaust nozzle
- CIn the combustion chamber
- DIn the compression axials
18Where in a turbine engine is the gas temperature the highest?
- AAt the exhaust nozzle
- BJust before the exhaust nozzle
- CAt the flame in the combustion chamber
- DJust after the air reaches it highest pressure
19How does gas pressure vary as it passes through the combustion chamber?
- AIt remains nearly constant, reducing very slightly due to construction ineffecies
- BIt increases
- CIt decreases
- DIt increases then decreases as it passes through the combustion chamber
20How does gas temperature and velocity vary as it passes through the combustion chamber?
- ATemperature and velocity both increase.
- BTemperature and velocity both decrease.
- CTemperature increases and velocity decreases.
- DTemperature decreases and velocity increases
21How does gas pressure, temperature and velocity vary as it passes through the turbine section?
- APressure and temperature progressively reduce, and velocity increases through the nozzle guide vanes and stators and reduces through the turbine blades.
- BPressure and temperature progressively increase, and velocity increases through the nozzle guide vanes and stators and reduces through the turbine blades.
- CPressure and temperature progressively reduce, and velocity decreases through the nozzle guide vanes and stators and reduces through the turbine blades.
- DPressure and temperature progressively increase, and velocity decreases through the nozzle guide vanes and stators and reduces through the turbine blades.
22Why is the Brayton Cycle in a turbine engine referred to as an open or continuous cycle?
- ABecause intake, compression combustion and exhaust are all occurring at the same time
- BBecause the engine is continuously running itself
- CBecause intake, compression combustion and exhaust are all occurring openly
- DBecause fuel is being continuously burnt
Informationen
- Beschreibung
- Basic Gas Turbine Theory
- Autor
- Andrew Lee
- Sprache
- English
- Aufrufe
- 187
- Verlauf
- Erstellt am 8 Sep 2015 · aktualisiert am 11 Sep 2016
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