1.
What is the the purpose of on air break?
2.
What should be installed when a contractor installs a fixture?
3.
What is the correct way to build a shower pan?
4.
A special vent is used halfway up a ten-story building. What is this type of vent called?
5.
What is the maximum amount of lead allowed in solder used on piping for potable water systems?
6.
When can you run 4-inch drain piping on a slope of 1/8 inch per foot?
7.
What is the total charge for four 8-hour days' use of a backhoe, if the cost for rental is $400 per day and the operator cost is $30 per hour?
8.
Temperature relief valves must have what transitional length before PEX is used?
9.
Piping for building drains and horizontal drainage branches require the installation of cleanouts. Spacing for these cleanouts is determined by the diameter of the drain and other factors. In this scenario the drain pipe diameter is three inches. This drain has a running length of 77 feet. During this run the pipe takes one 90-degree turn. How many cleanouts are required for this installation?
10.
What is the typical amount of grade required per liner foot on a household drainage pipe?
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.
