NCCER Boilermaker Practice Test 2025 - Free Boilermaker Certification Practice Questions and Study Guide

Question: 1 / 400

What material is commonly used for constructing pressure vessels?

Aluminum

Plastic

Steel

Steel is commonly used for constructing pressure vessels due to its high strength, durability, and ability to withstand the extreme pressures and temperatures that pressure vessels are often subjected to. Steel has excellent structural integrity and can be welded easily, allowing for the construction of complex shapes and large storage capacities. It is also readily available and has well-established standards for design and fabrication, ensuring safety and reliability in pressure vessel applications.

While aluminum, plastic, and composite materials can be used in certain specialized applications, they do not provide the same level of performance or reliability under high pressure as steel does, making steel the preferred choice for most pressure vessels in industries such as chemical processing, oil and gas, and power generation.

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Composite materials

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