In sewer maintenance, what is a pig?

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Prepare for the ADEQ Wastewater Collections 1 Test. Explore our quiz with multiple choice questions, each with hints and explanations. Gear up for your certification!

Multiple Choice

In sewer maintenance, what is a pig?

Explanation:
A pig is a cleaning/inspection device sent through a pipeline to scour the interior and push debris ahead. In a force main, which is a pressurized sewer line, a pig is a bullet-shaped object inserted into the line and propelled by the flow or a launcher to travel through the pipe. Its streamlined shape allows it to move with the water and seal against the walls to effectively scrub and clear buildup. That’s why the description of a bullet-shaped object passed through a force main best matches what a pig is. The other options refer to different tools or concepts and aren’t what this device is.

A pig is a cleaning/inspection device sent through a pipeline to scour the interior and push debris ahead. In a force main, which is a pressurized sewer line, a pig is a bullet-shaped object inserted into the line and propelled by the flow or a launcher to travel through the pipe. Its streamlined shape allows it to move with the water and seal against the walls to effectively scrub and clear buildup. That’s why the description of a bullet-shaped object passed through a force main best matches what a pig is. The other options refer to different tools or concepts and aren’t what this device is.

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