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

The minimum pressure for testing tanks is determined by safety and structural integrity guidelines designed to ensure that the tanks can withstand pressures during operation. The correct answer states that the minimum pressure for testing should be set at 1.5 times the maximum working pressure, with a baseline of 25 psi. This requirement ensures that the testing provides a safety margin over the maximum pressure the tank will experience during normal operations. By setting the test pressure at 1.5 times the maximum working pressure, it not only verifies the strength and reliability of the tanks but also accounts for any unexpected pressures that might occur during their life cycle. In the context of boiler and pressure vessel safety regulations, this practice is crucial to prevent failures that could lead to hazardous situations, ensuring that the tanks maintain their integrity under stressful conditions. The choice of 25 psi reflects a standard approach to defining safety thresholds within the industry.