Environmental Protection Agency (EPA) MVAC Certification

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Prepare for the EPA MVAC Certification Exam. Study using comprehensive quizzes with multiple choice questions, hints, and explanations. Boost your knowledge and confidence for success!

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What material are disposable cylinders primarily made from?

Plastic
Aluminum
Steel
Composite

The correct answer is: Steel

Disposable cylinders are primarily made from steel due to its strength and ability to withstand high pressures. Steel provides the necessary durability and safety required for storing and transporting various gases, including refrigerants. This material is favored because it can handle the mechanical and thermal stresses involved without compromising integrity. In addition to its physical properties, steel is also widely available and cost-effective, making it a practical choice for manufacturing disposable cylinders. While aluminum is lightweight and corrosion-resistant, it does not offer the same level of pressure tolerance that steel does, especially for high-pressure applications. Plastic and composite materials are typically used for different applications and are not commonly employed in the production of disposable gas cylinders that need to maintain structural integrity under pressure.