New York Low Pressure Boiler COF Practice 2025 - Free Practice Questions and Study Guide

Question: 1 / 495

What is the size of the test gauge connection in a water column?

3/4 inch

1/2 inch

The size of the test gauge connection in a water column is important for ensuring accurate pressure readings and proper functioning of the boiler's safety controls. A 1/2 inch connection is standard for water columns. This size allows for adequate flow of water to the gauge while ensuring that the pressure measurements are precise.

Using a connection that is too large could lead to lag in response time for pressure changes, while a smaller size would risk obstruction or inadequate readings. This specification helps maintain the integrity and efficiency of the boiler system, which is critical in low-pressure boiler operations.

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1 inch

2 inches

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