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Temperature Limit Controls for Hot Water Heating Boilers in Canada

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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?

Boilers under 300 boiler horsepower Signup and view all the answers

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

To shut off the fuel/heat input when the water level falls below a safe point Signup and view all the answers

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

High-pressure steam boilers Signup and view all the answers

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

To release excess pressure in the boiler Signup and view all the answers

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

CSA B149.3 Code Signup and view all the answers

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

To ensure the highest level of safety and protection for property and the public Signup and view all the answers

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

CSA B52 Code Signup and view all the answers

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

Boilers larger than 300 boiler horsepower 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?

High temperature limit control Signup and view all the answers

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

Accumulation of explosive mixtures of fuel and air Signup and view all the answers

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

Table CF-2 and CF-3 Signup and view all the answers

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

Flame existence Signup and view all the answers