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

A flame-safeguard (flame-scanner or flame-rod) system is required so that:

Stack temperature can be recorded for efficiency tests Fuel safety shutoff valves close if the pilot or main flame is not proven within the trial-for-ignition period, or if flame is lost later The low-water cutoff can be omitted The boiler can operate with the gas cock throttled by hand

Correct Answer:

Fuel safety shutoff valves close if the pilot or main flame is not proven within the trial-for-ignition period, or if flame is lost later

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