Minnesota Boiler License Practice Exam

What is the restriction on placing valves between the safety valves and the boiler?

1. If over 15 psi

2. If over 100 psi

3. Without written permission from state boiler inspector

4. At any time

The correct answer is: At any time

The correct answer highlights that there should never be any valves placed between the safety valves and the boiler. Safety valves are critical safety devices designed to prevent the boiler from operating at excessively high pressures, which can lead to catastrophic failures, explosions, or other hazardous situations. The purpose of a safety valve is to automatically release pressure from the boiler if it exceeds a predetermined level, ensuring safe operation. If valves were allowed between the safety valves and the boiler, it could create a situation where the safety valves might become isolated from the boiler pressure. This isolation could prevent them from functioning as intended during an emergency, potentially leading to severe accidents. Therefore, maintaining a direct, unobstructed connection between the safety valves and the boiler is essential for ensuring the safety and integrity of the boiler system. When training for a Boiler License, understanding the importance of safety mechanisms and their proper installation and maintenance is crucial for the well-being of equipment operators and the surrounding environment.