Boiler Operating Parameters Inspection Quiz
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Boiler Operating Parameters Inspection Quiz

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@Reusl

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Questions and Answers

What should be visually checked to ensure complete combustion in the boiler?

  • The level of water in the boiler
  • The temperature of the water
  • The pressure of the circulating pump
  • The color of the flame (correct)

    • What should be monitored to ensure that the circulating pump is operating within the expected range?

  • Flame temperature, boiler pressure, and steam flow
  • Discharge pressure, suction pressure, and differential pressure (correct)
  • Steam pressure, air pressure, and gas flow rate
  • Water level, water temperature, and water flow

    • What is the expected color of a typical natural gas flame in the boiler?

  • Blue with orange at the tip of the flame (correct)
  • Green with blue tips
  • Red with black tips
  • Bright yellow with orange tips

    • What is the purpose of checking the stuffing boxes or mechanical seals of circulating pumps?

    <p>To ensure the proper amount of leakage</p> Signup and view all the answers

    What should be done to circulating pumps with mechanical seals that show signs of leakage?

    <p>They should not show any signs of leakage</p> Signup and view all the answers

    What is the maximum operating temperature for boiler water in hot water heating systems?

    <p>120°C</p> Signup and view all the answers

    What should be the normal boiler operating pressure compared to the safety relief valve setting to prevent weeping and protect the safety relief valve?

    <p>25% less</p> Signup and view all the answers

    What indicates that the boiler pressure is greater than the minimum required to keep the heating system full?

    <p>Movable hand (actual system pressure) above the stationary hand (full system pressure)</p> Signup and view all the answers

    What should be checked to ensure water level maintenance in a steam boiler?

    <p>Water level controls, indicators, and recorders</p> Signup and view all the answers

    What should be visually checked to evaluate whether the burner is operating properly in a steam boiler?

    <p>Flame diffusers</p> Signup and view all the answers

    What is the purpose of a high steam pressure cut-off in power boilers?

    <p>To prevent the boiler pressure from exceeding the maximum allowable working pressure</p> Signup and view all the answers

    How should the high-pressure cut-off be set in relation to the safety valve set point and blowdown?

    <p>No greater than the lowest safety valve set point, minus the safety valve blowdown</p> Signup and view all the answers

    When should the stack temperature be monitored and recorded in a power boiler?

    <p>Once the boiler has completely warmed up and is at normal operating pressure</p> Signup and view all the answers

    What may rising stack temperatures, at a given firing rate, indicate in a power boiler?

    <p>Heat transfer surfaces are becoming dirty</p> Signup and view all the answers

    What should be observed once the boiler has been fired to ensure proper operation?

    <p>The steam pressure reaches the desired set point and does not increase further</p> Signup and view all the answers

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