Non-Code Fittings for Hot Water Heating Boilers
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Questions and Answers

Which of the following is not required for a hot water heating boiler according to the text?

  • Gauge glass on the boiler (correct)
  • Circulating pump
  • Air separator in the supply line
  • Automatic fill valve

What does ASME BPVC IV not require for single steam heating boiler systems?

  • Stop valve in the steam outlet
  • Return pipe connection
  • Feedwater regulators (correct)
  • Maintaining a consistent water level

What can feedwater regulators reduce, according to the text?

  • Thermal shock
  • Fuel consumption
  • Carryover
  • All of the above (correct)

What may happen during the off cycle for low-pressure steam heating boilers controlled by an outside air temperature sensor?

<p>Formation of an internal vacuum (C)</p> Signup and view all the answers

What is the purpose of a vacuum breaker in a boiler?

<p>To prevent the boiler from flooding by allowing air in when pressure drops below atmospheric (B)</p> Signup and view all the answers

What is the function of a drum vent valve in a boiler?

<p>To allow air to escape from the boiler when it is being filled with water (C)</p> Signup and view all the answers

Where could a drum vent valve be located in a boiler?

<p>On the water column steam piping connection to the boiler (B)</p> Signup and view all the answers

How does a vacuum breaker prevent a vacuum in a boiler?

<p>By automatically drawing air into the boiler when its pressure drops below atmospheric (A)</p> Signup and view all the answers

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