Mastering Plant Line Tracing
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Questions and Answers

Which type of sketch is often used by Power Engineers to trace plant processes?

  • Final colored sketch
  • Free hand sketch (correct)
  • Formal line diagram
  • Computer drafted sketch

    • What is the purpose of keeping the diagrams for reference and physically tracing them?

  • To help the novice understand the complicated diagrams (correct)
  • To minimize lines from crossing
  • To clearly identify all the different pieces of equipment
  • To draw rough drafts of the sketches in pencil

    • What is not shown in the single line sketch of the water treatment system?

  • Pipe sizing (correct)
  • Process flows
  • Valves
  • Equipment

    • According to the ASME A13.1 Pipe Marking Standard, what color is used to label flammable fluids?

    <p>Black on Yellow</p> Signup and view all the answers

    What color is used to label toxic and corrosive fluids according to the ASME A13.1 Pipe Marking Standard?

    <p>Black on Orange</p> Signup and view all the answers

    What color is used to label fire sprinkler water according to the ASME A13.1 Pipe Marking Standard?

    <p>White on Red</p> Signup and view all the answers

    What color is used to label compressed air according to the ASME A13.1 Pipe Marking Standard?

    <p>White on Blue</p> Signup and view all the answers

    Which of the following is the correct sequence of components in the gas train?

    <p>Drip leg, isolation valve, pressure gauge, Y strainer</p> Signup and view all the answers

    What is the purpose of the low gas pressure switch in the gas train?

    <p>To detect low gas pressure</p> Signup and view all the answers

    What is the function of the solenoid valve in the gas train?

    <p>To control the burner assembly</p> Signup and view all the answers

    What is the purpose of the firing valve in the gas train?

    <p>To control the burner assembly</p> Signup and view all the answers

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