Plumbing Basics Quiz

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Questions and Answers

What is a flush tank?

A tank located above or integral with a water closet or urinal for flushing or removing excrements.

What does backflow refer to?

The flow of water or substances into the distributing pipes of a potable supply from any source other than its intended source.

Define back siphonage.

The flowing back of used, contaminated, or polluted water from a plumbing fixture into a potable water supply due to negative pressure.

What is meant by 'grade' in plumbing?

The slope or fall of a line of pipe in reference to a horizontal plane, usually expressed as a percentage slope per foot. Signup and view all the answers

What is the purpose of a grease interceptor?

To intercept nonpetroleum fats, oils, and greases from wastewater before it enters the drainage system. Signup and view all the answers

What is a branch in plumbing?

Any part of the piping system other than the main, riser, or stack. Signup and view all the answers

What is an individual vent?

A pipe installed to vent a fixture trap, connecting with the vent system above the fixture. Signup and view all the answers

Define a building drain.

Part of the lowest piping of a drainage system that receives discharge from soil, waste, or drainage pipes inside a building. Signup and view all the answers

What is caulking?

The plugging of an oakum, lead, or other materials into the annular space. Signup and view all the answers

What is the function of a catch basin?

A receptacle in which liquids are retained to allow settable material to deposit. Signup and view all the answers

What is a cross connection?

Any physical connection between two separate piping systems that could allow flow from one to the other, risking contamination. Signup and view all the answers