SC Boiler Installation Practice Questions - South Carolina Boiler Installation Contractor Examination Exam

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Each automatically fired ASME Section IV hot-water heating or supply boiler shall be protected from over-temperature by:

Two temperature-operated controls: a high-temperature limit that cannot be set above the marked maximum outlet temperature, plus an operating control set lower A safety relief valve only An outdoor-reset control only A single aquastat that both operates and limits the burner

Correct Answer:

Two temperature-operated controls: a high-temperature limit that cannot be set above the marked maximum outlet temperature, plus an operating control set lower

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