Class 5 Boiler Practice Exam

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What is the maximum BTU rating for hot water boilers installed by licensed journeyman plumbers as per ORS.480.634?

  1. 500k BTU

  2. 750k BTU

  3. 1000k BTU

  4. 700k BTU

The correct answer is: 750k BTU

The maximum BTU rating for hot water boilers installed by licensed journeyman plumbers, as per ORS 480.634, is set at 750,000 BTU. This regulation establishes guidelines to ensure that plumbers have the appropriate training and authorization to install equipment that exceeds a certain capacity, promoting safety and compliance with construction and plumbing codes. A limit of 750,000 BTU allows for substantial heating capacity while also ensuring that the installation and maintenance processes adhere to the standards necessary to prevent hazards such as overheating and system failures. The other choices indicate different BTU ratings that either exceed or fall below this established limit, which is specifically set at 750,000 BTU for licensed journeyman plumbers. Understanding this regulatory context is crucial for anyone involved in the installation and operation of hot water boilers.

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