Massachusetts Plumbers Journeyman Practice Exam

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Study for the Massachusetts Plumbers Journeyman Exam. Prepare with multiple choice questions, hints, and detailed explanations. Ace your licensing exam with confidence!

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What type of waste generated in commercial applications qualifies for the use of PVC/ABS drains?

Food waste
Chemical waste
Liquid waste from soda machines
Heavy machinery waste

The correct answer is: Liquid waste from soda machines

The correct answer is liquid waste from soda machines, as this type of waste is typically composed of water and sugar and does not contain any harsh chemicals or materials that could corrode or damage PVC or ABS piping. PVC (Polyvinyl Chloride) and ABS (Acrylonitrile Butadiene Styrene) are both commonly used materials for drainage in commercial settings due to their resistance to corrosion and ease of installation. In contrast, food waste may contain organic materials that can potentially clog pipes or create other issues in drainage systems. Chemical waste can include harsh substances that could damage PVC or ABS over time, making it unsuitable for these types of drains. Heavy machinery waste might contain oils, greases, and solid particles that are not appropriate for PVC or ABS drainage systems, which are designed for lighter, less hazardous waste. Therefore, the use of PVC and ABS is best suited for the relatively innocuous liquid waste generated from soda machines.