1.
When comparing copper pipe and PVC pipe:
2.
What is the maximum spacing between supports for 1-1/4" copper tubing?
3.
When installing hard copper piping underground, what types of piping should a contractor use?
4.
If a customer does not have the correct electrical 3-prong outlet, what should you do?
5.
If a softener has a capacity of 20,000 grains removed and the water tests at 10 grains hardness, what is the capacity of the softener in gallons?
6.
What is typically used to clean iron fouled resin?
7.
How many valves are required to make a water system bypass?
8.
For an air gap, what is the minimum separation distance needed between the drain and the pipe?
9.
A 40-B fire extinguisher is effective for extinguishing:
10.
The maximum spacing between rungs on a fixed ladder is:
11.
What sort of PPE (personal protective equipment) is recommended when using cleaning solvent?
12.
What should be done with lifelines, safety harnesses, and shock-absorbing lanyards that have been subjected to impact loading?
13.
What is the longest standard length of a scaffold plank?
14.
On a 120V circuit, what color is the (protective) ground wire?
15.
What is the minimum distance apart that acetylene and oxygen cylinders must be stored?
16.
Which of the following is a correct method for storing acetylene cylinders?
17.
Which of the following is the best choice for hoisting a full gas cylinder?
18.
Cylinders containing ______ shall not be taken into confined spaces.
19.
A dry chemical or carbon dioxide fire extinguisher rated at least ______ must be kept near operations where bottled fuel gases are being used.
20.
No more than ______ of paints, solvents, and chemicals may be stored in a room unless an approved safety storage cabinet is present.
