PJF Gas Certification Practice Test

Question: 1 / 400

What is the purpose of secondary air in a luminous-flame burner?

To increase flame temperature

To stabilize combustion

The purpose of secondary air in a luminous-flame burner is to stabilize combustion. Secondary air is introduced into the burner after the primary combustion zone has been established. This additional air helps ensure complete combustion of the fuel by promoting a consistent and efficient mixing of fuel and air, which in turn leads to a stable flame. A stable combustion process is crucial for achieving optimal burner performance, as it minimizes fluctuations in flame size and temperature that can occur under varying operational conditions.

By stabilizing combustion, secondary air also enables the burner to maintain a steady output and minimizes the risk of flames going out or becoming erratic, which can lead to safety hazards and inefficiencies. The proper balance of air allows for a more controlled flame, resulting in improved operational safety and reliability.

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To reduce emissions

To enhance safety

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