Temperature Limit Controls for Hot Water Heating Boilers in Canada

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Questions and Answers

Which of the following best describes the purpose of ASME CSD-1?

  • To regulate the maintenance of automatically fired boilers
  • To provide guidelines for the installation of large boilers
  • To ensure the safety of licensed operators
  • To address hazards related to the operation of smaller boilers (correct)

What is the main reason why small automatically fired boilers pose a greater risk to the public?

  • They are not attended by licensed or trained operators (correct)
  • They are commonly installed in various facilities
  • They have improved instrumentation and controls
  • They are more prone to furnace explosions

According to CSD-1, what can greatly reduce the chances of accidents?

  • Proper operating procedures (correct)
  • Installation by manufacturers
  • Continuous attendance by licensed operators
  • Improved instrumentation and controls

According to CSD-1, which of the following boilers does CSD-1 NOT apply to?

<p>Boilers under 300 boiler horsepower (B)</p> Signup and view all the answers

What is the purpose of a low water cut-off in a boiler?

<p>To shut off the fuel/heat input when the water level falls below a safe point (B)</p> Signup and view all the answers

Which type of boilers require at least two automatic low water fuel cut-off devices?

<p>High-pressure steam boilers (D)</p> Signup and view all the answers

What is the purpose of a pressure relief valve in a boiler?

<p>To release excess pressure in the boiler (B)</p> Signup and view all the answers

Which code should Power Engineers consult when making modifications to a gas burner control system in Canada?

<p>CSA B149.3 Code (D)</p> Signup and view all the answers

What is the purpose of the ASME and CSA codes and standards?

<p>To ensure the highest level of safety and protection for property and the public (C)</p> Signup and view all the answers

Which code applies to mechanical refrigeration systems that use a refrigerant gas?

<p>CSA B52 Code (D)</p> Signup and view all the answers

Which boilers are not covered by the CSD-1 Code?

<p>Boilers larger than 300 boiler horsepower (C)</p> Signup and view all the answers

Which type of control is required to prevent the water temperature in a hot water heating boiler from exceeding the maximum allowable temperature?

<p>High temperature limit control (A)</p> Signup and view all the answers

What may cause a furnace explosion in gas and oil fired boilers?

<p>Accumulation of explosive mixtures of fuel and air (B)</p> Signup and view all the answers

Which tables in CSD-1 outline the burner safety control requirements for gaseous fuels and oil-fired boilers?

<p>Table CF-2 and CF-3 (A)</p> Signup and view all the answers

What is the primary safety control in CSD-1 designed to monitor for?

<p>Flame existence (B)</p> Signup and view all the answers

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