Plumbing Level 3 Service Call and Safety
Etiquette
On the job, wear rubber sole shoes or boots to - Answer- Protect against slipping and electrical
shock
Customers will judge you by the quality of your work but also by - Answer- The impression you
make
To safely prevent a closed valve from being opened, the lockout device is usually - Answer- A
chain and lock
In a commercial building, customers who enter the area where you are working should be -
Answer- Provided with appropriate personal protective equipment
When dealing with a plumbing problem, the solution you choose should be - Answer- The best
possible
The device showed above in the figure is used to - Answer- Make temporary leak repairs on pipe
Condensation on pipe occurs when a cold surface is exposed to - Answer- Warm moist air
A device that prevents freezing by draining water after the valve is closed is the - Answer- Wall
hydrant
A good average pressure for a home connected to a public water supply is - Answer- 50 psi
Water tanks used in a private water system are pressurized through the use of a - Answer-
Schrader valve
To trap metals and mineral salts, the cold water inlet should be provided with a - Answer-
Deionizing filter
Flow restrictors are installed to allow - Answer- Different flow rates for individual fixtures
A typical cause of siphonage and back pressure is - Answer- Improper drain waste and vent
The valve component showed in the figure above is a - Answer- Replaceable seat
The same basic internal parts are used on angle valves, compression faucets, and - Answer-
Globe valves
A balance valve is used to control temperature and pressure for - Answer- Tubs and showers
The principle safety feature of a water heater is the - Answer- Temperature and pressure valve
A waterless journal installed in the United States trap odors by using a - Answer- Liquid seal
Etiquette
On the job, wear rubber sole shoes or boots to - Answer- Protect against slipping and electrical
shock
Customers will judge you by the quality of your work but also by - Answer- The impression you
make
To safely prevent a closed valve from being opened, the lockout device is usually - Answer- A
chain and lock
In a commercial building, customers who enter the area where you are working should be -
Answer- Provided with appropriate personal protective equipment
When dealing with a plumbing problem, the solution you choose should be - Answer- The best
possible
The device showed above in the figure is used to - Answer- Make temporary leak repairs on pipe
Condensation on pipe occurs when a cold surface is exposed to - Answer- Warm moist air
A device that prevents freezing by draining water after the valve is closed is the - Answer- Wall
hydrant
A good average pressure for a home connected to a public water supply is - Answer- 50 psi
Water tanks used in a private water system are pressurized through the use of a - Answer-
Schrader valve
To trap metals and mineral salts, the cold water inlet should be provided with a - Answer-
Deionizing filter
Flow restrictors are installed to allow - Answer- Different flow rates for individual fixtures
A typical cause of siphonage and back pressure is - Answer- Improper drain waste and vent
The valve component showed in the figure above is a - Answer- Replaceable seat
The same basic internal parts are used on angle valves, compression faucets, and - Answer-
Globe valves
A balance valve is used to control temperature and pressure for - Answer- Tubs and showers
The principle safety feature of a water heater is the - Answer- Temperature and pressure valve
A waterless journal installed in the United States trap odors by using a - Answer- Liquid seal
