Worksite Safety
A noise level of ______ decibels or above can cause hearing loss.
What is 85 decibels?
Which of the following is used to cut NO-HUB and SV weight cast iron?
A. oxy-acetylene torch
B. circular saw
C. crosscut saw
D. snap cutter
What is a snap cutter?
Type ___ drawn copper tubing is identified by a green stripe and lettering on the outside of the tubing.
A. K
B. L
C. M
D. DWV
What is Type K?
A vertical vent which connects two or more fixture branches on the same level is known as a ____ vent.
A. branch
B. stack
c. common
D. circuit
What is a common vent?
Which of the following appliances uses only hot water in a building?
A. dishwasher
B. clothes washer
C. power washer
D. garbage disposal
What is a dishwasher?
Proper ventilation is required when working with which of the following?
solvents
alignment lasers
scaffolding
copper pipes
What are solvents?
Oakum and which of the following are used to join SV weight cast iron pipe fittings?
A. cement
B. lead
C. EDPM
D. solder
What is lead?
A. potable water
B. gray water
C. DWV
D. gas
What is gas?
Which vent serves only one fixture?
A. common vent
B. stack vent
C. relief vent
D. individual vent
What is an individual vent?
The purpose of anti-scald shower valves is to protect users from temperatures in excess of...
A. 98 degrees Fahrenheit
B. 112 degrees Fahrenheit
C. 120 degrees Fahrenheit
D. 132 degrees Fahrenheit
What is 112 degrees Fahrenheit?
What does the abbreviation PPE stands for...
What is Personal Protective Equipment?
What term is used for a wrench that can be "changed" to do a variety of jobs?
What is "adjustable?"
What are the three sides of the triangle formed by a 45-degree off-set called?
A. run, off-set and travel
B. centerline, off-set, and travel
C. roll, centerline and off-set
D. constant, roll and travel
What is "run, off-set and travel?"
Sewage ejector pumps must have a ______ on the discharge to prevent short cycling of the pump.
A. check valve
B. override switch
C. solenoid valve
D. float valve
What is a check valve?
Which of the following is the MOST COMMON material used to manufacture urinals?
A. stainless steel
B. reinforced fiberglass
C. enameled cast iron
D. vitreous china
What is vitreous china?
When replacing a water heater, in order to ensure safety, replace the...
What is temperature and pressure relief?
True or False: A "toilet auger" is a tool used to break up clogs or retrieve obstructions that are causing blockages.
What is "true?"
Which of the following terms describes a drawing that shows an object in three dimensions?
A. orthographic
B. isometric
C. cross sectional
D. half sectional
What is isometric?
What step in the water distribution process involves testing of the water distribution lines after enclosing the walls?
A. rough-in
B. trim-out
C. exit
D. rough-out
What is trim-out?
When identifying a bathtub, the plumber should indicate the type of material, length, width and whether the drain is...
A. low or high
B. left-handed or right-handed
C. shallow or deep
D. front or back
What is left-handed or right-handed?
Which of the following can cause a gate valve to fail to stop the flow of water?
A. the gate is worn
B. the packing nut is too tight
C. the seat screw is too loose
D. the diaphragm is full of foreign material
What is A.- the gate is worn?
The inert gas used to sweep copper tubing while performing brazing operations is which of the following?
A. nitrogen
B. oxygen
C. hydrogen
D. acetylene
What is nitrogen?
The best way to prevent backflow in a potable water supply is through the use of a/an...
A. backflow preventer
B. backwater valve
C. air gap
D. vacuum breaker
What is an air gap?
When installing PVC SDR 35 piping for a sanitary sewer system located below ground, the most common method for joining the pipe is...
A. solvent welding
B. mortar and/or cement
C. rubber Fernco (trademark) coupling
D. elastomastic, bell and spigot joints
What are elastomastic, bell and spigot joints?
Which person is required to provide all test equipment for the testing inspection of supply water systems?
A. the municipality
B. the code enforcement officer
C. the building owner
D. the plumber
Who is the plumber?