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What might be a consequence of failing a low-water fuel cutoff test?

  1. Increased efficiency

  2. Overheated boiler

  3. Reduced noise level

  4. Increased safety

The correct answer is: Overheated boiler

Failing a low-water fuel cutoff test can lead to an overheated boiler. The low-water fuel cutoff is a critical safety device designed to prevent the boiler from operating when water levels are too low. If the boiler continues to run without sufficient water, it can lead to overheating, which may result in damage to the boiler components or even a catastrophic failure. It's important to ensure that the low-water fuel cutoff functions properly to maintain safe operational levels, protecting both the equipment and personnel involved in the plant operations. High temperatures due to low water levels can compromise the integrity of the boiler, potentially leading to expensive repairs or safety hazards. Thus, the focus on maintaining proper water levels is crucial for the safe and efficient operation of a boiler system.