Red Seal Oil Heat System Technician Practice Questions - Red Seal Oil Heat System Technician (Interprovincial) Exam

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What is the primary purpose of a Class ABC fire extinguisher being readily available when servicing oil-fired equipment?

To cool the heat exchanger after firing To extinguish fires involving ordinary combustibles, flammable liquids, and energized electrical equipment To pressurize the fuel oil line during purging To test draft over the fire

Correct Answer:

To extinguish fires involving ordinary combustibles, flammable liquids, and energized electrical equipment

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