HVAC Excellence Master Combustion Practice Questions - HVAC Excellence Master Specialist - Electric & Gas Heat Combustion Analysis (Written Examination) Exam

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The combustion triangle (fire triangle) identifies the three elements that must be present for combustion to occur. Which set lists all three?

Fuel, oxygen, and heat Fuel, nitrogen, and a spark Carbon dioxide, water vapor, and heat Oxygen, nitrogen, and fuel

Correct Answer:

Fuel, oxygen, and heat

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