The gas flame will lift off the burner and be noisy if it receives too much primary air.

Question

Quizplus · Accepted Answer

When there is too much primary air, it disrupts the balance between the gas flow and the air flow, causing the flame to lift off the burner and become noisy. This is called a "yellow flame" and can be dangerous as it can produce carbon monoxide. It is important to adjust the air-to-fuel ratio to ensure a steady, blue flame with proper combustion.

The Gas Flame Will Lift Off the Burner and Be