Plumbing Pipes
Pipe Diameter
Plumbing Knowledge
Some More Plumbing
Plumbing Misc.
100

What are the two most common types of water lines used today?

Copper and PEX

100

What size water line is used for a toilets and sinks?

3/8" to 1/2" depending on where the toilet or sink is in the house.

100

Plumbing must be properly vented so that it can drain without disruption?

True

100

There is a main water shut off valve in every house?

True?

100

You should always apply for a permit before completing any ''new" plumbing work?

True!

200

What do you do to the PEX line before it is water tight and can be used?

Tighten the crimp rings and check them with the "GO" and "NO-GO" gage.

200

What size water line is required for a shower or bath tub?

Minimum of 1/2"

200

What causes a toilet to keep running?

The toilet guts, (flapper and assembly) are worn out and need replaced.

200

What is the first thing you should do before attempting any plumbing repairs?

Turn off the water

200

What were the first plumbing pipes made of?

Baked clay and straw
300

What type of pipe can have water run through it, but would not recommend drinking out of?

Galvanized steel pipe.

300
What size waste line is required for a sink?

1-1/2 inches.

300

How many types of PVC are there? For bonus points, name them.

Four.

PVC-U

PVC-0

C-PVC

Modified PVC

300

What is the name of the pipe we can take apart in an attempt to unclog the sink?

P-Trap

300
What is a rough estimate for how much it would cost to replace a main drain from the house to the sewer in the street? (Must be within 5,000)

20,000 to 25,000 dollars.

400

What is the term for connecting copper pipes together and making them water tight?

Soldering

400

What size waste line is required for a shower?

2 inches.

400

Where did plumbing come from? 

Ancient Egypt, Rome, Greece, China, India, Persia.

400

What two main categories can plumbing be summarized in?

New construction plumbing

Existing plumbing Repair and Maintenance

400

Where is the original word for plumbing, what did it mean, and where did it come from?

Plumbum, Lead, Latin word.

500

What type of drain line is no longer used due to erosion issues?

Cast Iron Drain lines.

500

What size waste pipe is required for a toilet?

3 inches.

500

Please give me a basic definition of Plumbing, as close as possible.

Plumbing is the system of pipes, tanks, fittings, fixtures, and materials required for the water supply, and sanitation lines..

500

What is the full name of the plastic waste pipe that is commonly used?

Poly Vinyl Chloride

500
What is the name of the type of metal, and type of finished that is used for plumbing and bathroom fixtures? What are its advantages?

Chromed Brass

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