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...
m
dwv
k
L
k
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
The pressure on a temp pressure relief valve for a water heater must open at what pressure?
1.100 psi
2.150 psi
3. 200 psi
2.150 psi
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"
4. 2.5"
200
The 2009 IPC requires hangers to be installed at ever (. ) feet for pvc piping.
3
4
6
7
4
200
Copper tubing that is color coded blue is type...
m
dwv
k
L
L
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
Globe 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. elevation
3. isometric
3. isometric
300
The 2009 IPC requires hangers to be installed at ever (. ) feet for 1.25" copper piping or smaller.
3
4
6
6
300
Copper tubing that is color coded red is type...
m
dwv
k
L
m
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
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 an one pulled
3.towards each other and one pushed an one pulled
400
Pi x R squared x H =
the volume of a cylinder
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
3. 1/2" id
400
Copper tubing that is color coded yellow is type...
m
dwv
k
L
dwv
500
The best way to stay safe on a jobsite would be to wear...
1. safety vest
2.hard hats
3. Work boots and safety glasses
All the above
500
A water heater can explode if a (. ) is not installed.
1.gas valve
2. check valve
3. relief 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 flush valve urinal?
1. 1"
2. 3/4"
3. 1.5"
2. 3/4"
500
What type of copper has the thickest wall size?
m
k
l
dwv
k