G2 Gas Fitter Practice Exam

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Prepare for the G2 Gas Fitter Test. Study using flashcards and multiple choice questions, with hints and detailed explanations for each question. Ensure your success!

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What describes a continuous pilot in terms of its operation?

Burns without turndown even when the main burner is off
Turns on and off with the main burner
Operates only during ignition phases
Is intermittent and varies with gas flow

The correct answer is: Burns without turndown even when the main burner is off

A continuous pilot is designed to burn consistently, providing a steady flame even when the main burner is turned off. This operation ensures that there is always a source of ignition ready for when the main burner is activated, which contributes to overall safety and efficiency in gas appliances. The continuous nature of the flame allows it to maintain a stable combustion environment, which is essential for reliable operation. In contrast, the operation of turning the pilot on and off with the main burner pertains to intermittent pilots. An intermittent pilot would extinguish when the main burner is not in use, and only relight during the ignition phase, as indicated in another option. This can lead to increased wear and tear due to the pilot frequently relighting. The idea of operating only during ignition phases aligns with momentary pilot systems that serve to ignite the main burner but do not stay continuously lit. Similarly, an intermittent operation that varies with gas flow does not apply to a continuous pilot, as it is meant to provide a steady flame rather than adjusting or turning off with varying conditions. Thus, describing a continuous pilot accurately reflects its operation and intent in gas systems.