Plumbing 1-2

Safety

General

Tools

Math

Plumbing Code

Copper Pipe

100

In order for fire extinguisher to discharge you must

1. Pull pin and push down on lever

2. Shake

3. Bang it

4.Roll it

1. Pull pin and push down on lever

100

A valve used to reduce pressure from the water supplier is called...

1. pressure reducing valve

2. globe valve

3. ball valve

4. backwater valve

1. pressure reducing valve

100

A plumber would use this saw to cut.

1.wood

2.pvc

3.copper

2.pvc

100

Plumbers use the constant multiplier 1.414 for calculating.

1. 45 degree offset

2. 90 degree offset

3. 60 degree offset

1. 45 degree offset

100

What is the minimum size pipe that must be run for water service in residential home?

1. 2"

2. 1/2"

3. 3/4"

4. 1"

3. 3/4"

100

Copper tubing that is color coded green is type...

dwv

200

Who takes care of the Jobsite? House keeping safety.

1. Nobody

2. Your Bos

3. The workers on the jobsite.

4. Laborers

3. The workers on the jobsite.

200

Used to size drain pipes

DFU (drainage fixture unit)

200

Plumbers use this tool for:

1. Flaring copper pipe

2. cutting copper pipe

3. threading copper pipe

1. Flaring copper pipe

200

A pipe or 10' long and has a slope of 1/4" per foot. Home many inches of fall does it have?

1. 1.5"

2. 3"

3. 4"

4. 2.5"

200

The 2018 NSPC requires hangers to be installed every ( ) feet for pvc piping.

200

Copper tubing that is color coded blue is type...

dwv

300

What is the best way to make sure the jobsite is safe?

1. Get rid of any mess

2.Throw everything away

3.Install bright lights

1. Get rid of any mess

300

A valve used to increase or decrease flow through a pipe is a...

1. control valve

2. globe valve

3. gate valve

4. ball valve

3. gate valve

300

Plumbers use this type of cuter to cut.

1. PVC

2. Copper

3. Cast Iron

4. CPVC

3. Cast Iron

300

Plumbers use drawings that show both vertical and horizontal piping in a clear single view that are called...

1. oblique

2. orthographic

3. isometric

300

You must get a plumbing inspection at ______.

rough

final

both

Both

300

Copper tubing that is color coded red is type...

dwv

400

Oily rags should be kept where?

1.Self closing container

2. Trash can

3.Cardboard box

4. Floor

1.Self closing container

400

When a plumber selects a gate valve, the plumber should understand its design to...

1 to throttle flow rate on given pipe

2. be used as a fixture valve

3.remain partially open

4. remain open or closed all the way

400

When using 2 wrenches to tighten a fitting the wrenches should be?

1.Same direction and pushed same direction

2.Same direction and pulled same direction

3.towards each other and one pushed and one pulled

400

Isometric drawings have ( ) dimension lines.

1. 5

2. 3

3. 4

4. 2

2. 3

400

The minimum size a hot water line must be sized when feeding a bathtub is....

1. 3/8" od

2. 3/4" id

3. 1/2" id

400

Copper tubing that is color coded yellow is type...

dwv

500

The best way to stay safe on a jobsite would be to wear...

1. safety harness

2.hard hats

3. Work boots and safety glasses

500

A water heater can explode if a (. ) is not installed.

1.gas valve

2. check valve

3. relief valve

500

What is the best tool for a plumber to use when tightening a no hub clamp or fernco fitting?

1. socket wrench

2. T handle torque wrench

3. screw driver

2. T handle torque wrench

500

One of the most important steps in calculating an offset for any angle is to .

1. deduct the fitting allowance from the center to center measurement

2.get a 45 degree angle

3. get a saw to cut the pipe

1. deduct the fitting allowance from the center to center measurement

500

What is the minimum sized cold water line that must be run to a urinal?

1. 1"

2. 3/4"

3. 1.5"

2. 3/4"

500

What type of copper has the thickest wall size?

dwv