Gas Heat ESCO Practice Exam

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Prepare for the Gas Heat ESCO Exam with confidence. Our quiz includes targeted questions and detailed explanations, ensuring you grasp essential concepts. Take the first step towards certification today!

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What is the purpose of a spoiler screw located on a burner or adjustable shutters?

Act as a safety mechanism
Control the gas valve
Mix primary air and gas
Regulate temperature

The correct answer is: Act as a safety mechanism

The purpose of a spoiler screw located on a burner or adjustable shutters is to act as a safety mechanism. It is used to adjust the air-to-fuel ratio in order to ensure proper combustion and prevent the production of potentially dangerous levels of carbon monoxide. By adjusting the spoiler screw, technicians can optimize the burner's performance and maintain safe operation. Safety is a critical aspect of working with gas heating systems, making this the correct answer.