American Society of Mechanical Engineers (ASME) Practice Exam 2026 - Free ASME Practice Questions and Study Guide

The minimum volume defined for a miniature boiler is established due to safety and operational regulations governing steam generation and pressure vessels. The American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code specifies that a miniature boiler is one with a maximum volume of 5 cubic feet.

This definition is significant in the context of ensuring that boilers of this size can be constructed in a manner that meets essential safety standards while also providing adequate performance capabilities. Miniature boilers are often used in smaller industrial applications or specific experimental setups where traditional boilers may be too large or cumbersome. The establishment of a clear volume limitation helps to delineate the requirements and regulations applicable to these smaller systems, ensuring that they are appropriately managed and do not pose undue risks.

In this case, options that exceed this volume requirement are not classified as miniature boilers. Therefore, the selection of 5 cubic feet as the correct answer aligns with the established standards in the ASME code and the definition provided for miniature boilers.