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for everyone quiz 3

TRAVIS CANNING 17 preguntas Actualizado el 29 feb 2016

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Preguntas del test (17)

  1. 1A cogeneration system incorporating a diverter valve uses this to do which of the following?
    1. AAllow combustion gases to enter the HRSG
    2. BAllow steam entering into the steam turbine
    3. CExpel the combustion gases back into the turbine
    4. DAll of the above
    5. ENone of the above
  2. 2Which of the following is the first step in starting up a cogeneration system?
    1. AThe gearbox will engage the starting motor
    2. BTurbine is rotated to about 55% of rated speed
    3. CDiverter valve will open to atmosphere
    4. DOperator initiates a turbine start up from the control room
    5. ENone of the above
  3. 3Water jackets used in a cogeneration system are used to serve which purpose?
    1. ARecover the heat produced to cool the engine
    2. BCool the air surrounding the engine
    3. CCool the lubricating oil of the engine
    4. DAll of the above
    5. ENone of the above
  4. 4Carbon dioxide, one of the most important parts of the combustion process is well known for which of the following?
    1. AClimatic change
    2. BGreenhouse effect
    3. CAcid rain
    4. D1 and 2
    5. ENone of the above
  5. 5The level of NOx emissions is dependant on which of the following?
    1. ACombustion chamber geometry
    2. BAir/fuel mixture
    3. CPressure
    4. DTemperature
    5. EAll of the above
  6. 6The main application for a HRSG is to do which of the following?
    1. ASteam generation using gas turbine exhaust
    2. BSteam generation using BFW
    3. CDecrease the load on a single piece of equipment
    4. DAll of the above
    5. ENone of the above
  7. 7A HRSG unit may include auxiliary or duct burners that are used to do which of the following?
    1. AIncrease the production of steam
    2. BControl the superheater temperatures
    3. CMeet process steam temperature requirements
    4. DAll of the above
    5. ENone of the above
  8. 8Low thermal requirements of a control system may occur during which of the following times?
    1. ADuring start-up
    2. BDuring times of low production
    3. CDuring times of low electrical requirements
    4. DAll of the above
    5. ENone of the above
  9. 9A cogeneration system that is not connected to the electrical grid will do which of the following?
    1. ASupply all the electrical requirements at the site
    2. BSupply emergency back up electrical requirements
    3. CSupply back up electrical requirements
    4. DAll of the above
    5. ENone of the above
  10. 10The biggest advantages of a combined cycle power plant with a single- shaft gas/steam turbine arrangement are?
    1. AHighest level of thermal efficiency
    2. BExtremely low capital cost
    3. CShort project and construction times
    4. DLow operation and maintenance costs
    5. EAll of the above

Información

Descripción
power engineering 3b2 Test sobre for everyone quiz 3, creado por TRAVIS CANNING el 28/02/2016.
Idioma
English
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24
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Creado el 28 feb 2016 · actualizado el 29 feb 2016
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