Arkansas Boiler Operator Practice Exam 2025 - Free Boiler Operator Practice Questions and Study Guide

Question: 1 / 400

What is the primary function of a pressure relief valve in a boiler?

To increase pressure in the system

To prevent excessive pressure buildup

The primary function of a pressure relief valve in a boiler is to prevent excessive pressure buildup. This safety device is critical in maintaining the integrity of the boiler system and protecting against potentially hazardous situations. If the pressure within the boiler exceeds a predetermined safe level, the pressure relief valve automatically opens to release steam or water, thereby reducing the pressure. This process helps to prevent boiler explosions and ensures safe operation under the designed conditions.

In a boiler system, maintaining proper pressure is vital for efficient performance and safety. Therefore, the role of the pressure relief valve cannot be overstated, as it is a crucial safeguard in boiler operations, ensuring that pressure does not reach levels that could compromise the system’s safety. Without this mechanism, the risk of catastrophic failure increases significantly.

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To control water flow

To maintain steam temperature

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