A plumber is going to install a pipe connecting a new house to a municipal sewer

Question

A plumber is going to install a pipe connecting a new house to a municipal sewer system's existing main. In this installation, the plumber will tap the sewer main, install a sleeve fitting in the new hole, and will later protect the joint by A. hanging caution tape around it. B. covering it with broken concrete. C. pouring a concrete block around it. D. covering it with large rocks. In Figure A-2, is the component that creates a watertight seal against the rotating stem. A. S B. T C. U D. V In Figure A-2, creates the watertight seal that stops the flow of water through the valve. A. S B. U C. V D. W

Explanation / Answer

Ans1. U, create a water tight seal against the rotating stem.

Ans2. V creates the watertight seal that stop the flow of water through the valve.

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