4AE3 U3 C1 Hard test
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Questions and Answers

Which fluid is commonly used as a heat transfer fluid in industrial processes?

  • Alcohol
  • Oil
  • Water (correct)
  • Gasoline

    • What happens to the volume of water when it is converted to steam?

  • It increases slightly
  • It expands to several hundred times its volume (correct)
  • It decreases
  • It remains the same

    • How is steam produced in industry?

  • By adding heat to oil
  • By compressing air
  • By evaporating water using heat (correct)
  • By boiling water in kettles

    • What is one of the primary duties of Power Engineers?

    <p>Producing and controlling steam</p> Signup and view all the answers

    Why is steam important in industrial processes?

    <p>To perform mechanical work</p> Signup and view all the answers

    Which statement about steam is NOT true?

    <p>Steam is used to drive electric generators in thermal electric power generation</p> Signup and view all the answers

    What happens to steam in a unit heater?

    <p>It condenses and turns into water</p> Signup and view all the answers

    What is the purpose of a steam trap in a unit heater?

    <p>To keep steam in the heater and allow only condensate to pass through</p> Signup and view all the answers

    What happens to the condensate in the boiler?

    <p>It is converted into steam</p> Signup and view all the answers

    Which of the following is true about the steam cycle in a power plant?

    <p>The steam flows directly to the condensate tank without giving up heat and condensing</p> Signup and view all the answers

    In a power plant steam cycle, where does the condensate go after being in the condensate tank?

    <p>It is pumped back to the deaerator</p> Signup and view all the answers

    How does a power plant steam cycle differ from most process steam systems?

    <p>All of the above</p> Signup and view all the answers

    Which country prohibited the use of sea coals in furnaces in 1306?

    <p>England</p> Signup and view all the answers

    What was the original purpose of the steam engine?

    <p>To remove water from mines</p> Signup and view all the answers

    What is the primary duty of Power Engineers in some Canadian jurisdictions?

    <p>Maintaining and repairing electrical equipment, oil burners, and gas burners</p> Signup and view all the answers

    Which of the following is NOT a responsibility of Power Engineers in smaller plants?

    <p>Hiring staff</p> Signup and view all the answers

    What is the primary result of efficient energy conversion?

    <p>Reduced energy consumption</p> Signup and view all the answers

    What is the purpose of Power Engineers intervening to ensure safety in a power plant?

    <p>To safeguard plant personnel and the public</p> Signup and view all the answers

    Which of the following is a responsibility of Power Engineers in modern plants?

    <p>All of the above</p> Signup and view all the answers

    What is the purpose of central control rooms in larger power plants?

    <p>To monitor and analyze trends</p> Signup and view all the answers

    What is a characteristic of Power Engineering profession in Canada and the United States?

    <p>It is regulated by law</p> Signup and view all the answers

    What are some of the challenges Power Engineers may face in the plant environment?

    <p>Temperature extremes</p> Signup and view all the answers

    Which of the following is NOT a duty of a Power Engineer?

    <p>Designing power plant equipment</p> Signup and view all the answers

    What is the purpose of legislation mandating the role of Power Engineers within industry?

    <p>To ensure the safe operation of power plant equipment</p> Signup and view all the answers

    In large plants, what may Power Engineers be responsible for?

    <p>All of the above</p> Signup and view all the answers

    What is the circadian rhythm?

    <p>The body's natural sleep-wake cycle</p> Signup and view all the answers

    What can happen when the working day does not match the body's circadian day?

    <p>All of the above</p> Signup and view all the answers

    What is a potential consequence of shift work on health?

    <p>All of the above</p> Signup and view all the answers

    What is a recommended meal schedule preparation for shift workers?

    <p>All of the above</p> Signup and view all the answers

    What is the impact of shift work on sleep duration compared to non-shift workers?

    <p>Shift workers sleep one to four hours less</p> Signup and view all the answers

    What is one of the recommendations for shift workers to reduce the symptoms of sleep deprivation?

    <p>Bright light in the nighttime working environment</p> Signup and view all the answers

    What is one of the work habits that can promote a culture of looking out for each other among shift workers?

    <p>Encouraging team activities and interaction between workers</p> Signup and view all the answers

    What can happen to the body of a shift worker who works too many consecutive shifts?

    <p>Upset stomach</p> Signup and view all the answers

    Which of the following is a potential challenge faced by Power Engineers in their work environment?

    <p>Exposure to hazardous materials</p> Signup and view all the answers

    What is the impact of shift work on work performance for Power Engineers?

    <p>Deterioration in performance can occur soon after being placed on a shift schedule</p> Signup and view all the answers

    What is a baseline requirement for Power Engineers in fulfilling their role?

    <p>Being knowledgeable and alert</p> Signup and view all the answers

    What is one of the impacts of shift work on the lives of Power Engineers outside of work?

    <p>Disruption of sleep pattern</p> Signup and view all the answers

    What is the purpose of Power Engineers understanding how shift work affects their lives outside of work?

    <p>To make necessary lifestyle adjustments for optimal functioning</p> Signup and view all the answers

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