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Flashcards in Plumbing Deck (22)
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1

Minimum pipe size used for venting a waste line?

1 1/4”

2

What do you need to install copper pipe to galvanized?

Dielectric Union

3

4 types of pipes & fittings?

Cast Iron
Galvanized (steel/iron)
Copper
Plastic Pipe

4

PVC comes in 2 schedule. What are they ?

Schedule 40, 80

5

Describe the application of PVC & CVPC

Cut pipe -> Debur -> Dri-Fit -> Purple Primer -> Cement -> Push Pipe In, turn 1/4 -> Wipe off excess & plumb pipe

6

What is the proper fall off rule for pipe?

1/4” per foot of pipe

7

Best material for water pipes, corrosion resistant

Copper Pipe

8

Wall Thickness grades for Copper Pipe

M, L, K

9

Gasses used in flame for soldering pipe?

Propane, MAPP

10

Vent Pipe should never be less than what ?

1 1/4” wide

11

What are the 4 types of faucets?

Compression, Ball Type, Disc Type, Cartridge

12

What does a drain field do for a septic tank?

Delivers effluent to soil, soil then purifies the effluent before it reaches ground water.

13

What prevents scum from leaving the septic tank?

Baffles

14

Hot water heater can be run off ___V or ___V?

120v or 240v

15

Which pipe/line exhausts sewer gases and provides the air pressure to allow waste to flow freely?

Vent Pipe

16

Important factor when determining the size of vent line?

Determine number of units to connect

17

Main disadvantage of cast iron when used as a waste line?

Heavy, difficult to fit

18

Sewerage systems usually use pipe ranging in diameter from __ to ___.

2” - 36”

19

3 types of lines

Drain, Waste, Vent

20

Drain Lines do what

Collect water. Sinks, tubs, showers

21

Waste lines do what

Carry waste from toilets

22

Vent lines do what

Exhaust sewer gasses and provide air pressure to allow wastes to flow freely.