New York Low Pressure Boiler COF Practice

Gauges measured in the magnitude of 5 psig must be calibrated in increments of no less than?

1. 1/4 inch

2. 1/5 inch

3. 1/10 inch

4. 1/8 inch

The correct answer is: 1/5 inch

The calibration of gauges measuring pressure, particularly in a system concerning boilers, is essential for ensuring accuracy and reliability in readings. When discussing gauges measured in the magnitude of 5 psig, it's important to align with industry standards that govern the precision necessary for effective operation and safety. The requirement for calibrating such gauges in increments of no less than 1/5 inch indicates a standardized measure that ensures sufficient granularity in pressure readings. This level of precision is critical in low pressure boiler operations, where minor variations can significantly affect performance and safety standards. By calibrating in these increments, operators can more effectively monitor pressure changes, leading to better management of boiler operations and enhanced safety protocols. In this context, other potential increment choices may not provide the necessary detail needed for proper monitoring and control. Utilizing an increment smaller than 1/5 inch may lead to unnecessary complications without added benefits, and increments larger than this could reduce the precision in assessing the system's pressure levels. Thus, 1/5 inch stands out as the most effective calibration increment for gauges in this scenario.