Starting a Small Steam Turbine: General Instructions
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Questions and Answers

What should be done to ensure the safety of the feedwater pump before starting it?

  • Open the pump casing drains
  • Start bearing cooling water
  • Clear any lockouts or tagouts on the pump (correct)
  • Conduct a valve line-up
  • What should be checked and added, if necessary, before starting the feedwater pump?

  • Pump vent and/or drain
  • Pump warm-up line
  • Bearing lube oil levels (correct)
  • Area surrounding the pump for rags or tools
  • In what condition should the discharge valve be when starting a centrifugal pump?

  • Open
  • Partially open
  • Closed (correct)
  • Slightly cracked
  • What is the purpose of opening the pump warm-up line?

    <p>To circulate hot boiler feed through the pump</p> Signup and view all the answers

    When is it necessary to add oil to the bearing lube?

    <p>When priming the pump</p> Signup and view all the answers

    What should be done to prepare the steam turbine before starting?

    <p>Start the lube oil cooling water, if applicable</p> Signup and view all the answers

    What should be done to ensure the steam header is at operating pressure?

    <p>Slowly warm up the steam line to the turbine</p> Signup and view all the answers

    What should be done once the turbine is properly warmed up?

    <p>Manually test the overspeed trip</p> Signup and view all the answers

    What is a crucial step for stopping a small steam turbine driving a feedwater pump?

    <p>Close turbine steam inlet and exhaust valves completely</p> Signup and view all the answers

    What should be done once the feedwater pump is fully functioning after restart?

    <p>Manually test the overspeed trip</p> Signup and view all the answers

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