New York Low Pressure Boiler COF Test 2025 – 400 Free Practice Questions to Pass the Exam

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Question: 1 / 495

What should be considered the highest permissible level on the water gauge?

Equal to the highest point of the boiler

At least 2 inches above the lowest permissible level

The highest permissible level on the water gauge should be at least 2 inches above the lowest permissible level. This requirement is crucial for ensuring the safety and efficient operation of the boiler. By maintaining the water level significantly above the low limit, it helps prevent situations such as overheating or damage to the boiler components that can occur if the water dips too low.

This distinction is particularly important because the lowest permissible water level denotes the minimum safe operating level for the boiler. If the water level falls below this point, it can lead to overheating of the heat exchange surfaces, which may cause structural failure or explosions.

Maintaining the water level at least 2 inches above this threshold allows for some operational fluctuation and acts as a safety margin. Such a practice protects the integrity of the boiler system and increases the reliability of the boiler’s operation.

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The midpoint of the gauge

Equal to the safety valve setting

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