Minnesota Special Engineer Boiler License Practice Exam 2025 - Free Boiler License Practice Questions and Study Guide

Question: 1 / 400

What is a major characteristic of high-pressure steam boilers?

They operate below 5 psi

They operate between 5-15 psi

They operate above 15 psi

High-pressure steam boilers are defined by their operating pressure, which is a critical factor for their classification. These boilers operate above 15 psi, which distinguishes them from low-pressure and moderate-pressure boilers. The higher the pressure, the more efficient and effective the steam generation can be for various industrial processes, but it also requires stringent safety protocols and design specifications to handle the increased risks associated with higher pressures.

Options indicating lower pressures, such as those below or around 15 psi, do not align with the definition of high-pressure boilers. Therefore, understanding the operating range is vital for correctly categorizing steam boilers and ensuring safe operations in accordance with regulations.

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They operate at exactly 15 psi

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