New York Low Pressure Boiler Certificate of Fitness (COF) Practice Test

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Prepare for the New York Low Pressure Boiler Certificate of Fitness Test with comprehensive quiz questions and explanations. Gain confidence and knowledge to ensure your success on the exam.

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Where is a shut-off valve required when a single tank and burner exist?

In the return line
In the discharge line only
In the supply line at the tank and at the burner
Anywhere before the pump

The correct answer is: In the supply line at the tank and at the burner

The requirement for a shut-off valve in a setting with a single tank and burner is essential for safety and operational efficiency. A shut-off valve must be located in the supply line at both the tank and the burner. This configuration ensures that the flow of fuel can be controlled effectively. Placing a shut-off valve at the tank allows for the fuel supply to be halted quickly in case of an emergency, maintenance, or if any issues arise that necessitate stopping the burner. Similarly, having a shut-off valve at the burner means that if any issues occur downstream, the operator can stop the flow of fuel immediately at that point without having to go back to the tank. The other options do not adequately cover the necessary safety measures. A shut-off valve in the return line or only in the discharge line would not provide the flexibility and safety needed for immediate fuel control at critical points. Furthermore, while placing a valve before the pump might seem practical for stopping flow, it does not address the need to control the supply right at the tank and burner, which is crucial in many operational scenarios to ensure both safety and compliance with regulations.