C36 Plumbing CSLB Exam | Questions and Answers
Graded A+ Latest 2024/2025
Slip joint fittings are not allowed at
a waste arm or trip arm
On a waste line, what type of fitting can you use?
cleanout
wye of ¼ bend
sanitary tee
What would you use to connect GIP (galvanized iron pipe) to copper?
brass fitting
One gallon of water weighs:
8.33 pounds
One psi of water is equal to:
2.31 feet
,The specific gravity of water is:
1.000
In a solar system, where do you place a pump valve?
supply and service side of pump
In a solar system cross-connections are used if
if it is a closed-loop system
How many square feet would a family of six require if a family of four requires
48 sq. ft. of solar panels?
72------ 48/(4 family)=12 12x(6 family)=72
A 2 inch vent will suffice for:
4 pedestal urinals
A dental cuspidor has how many fixture units?
1
,In water piping, slip joints may be used only in the ______ fixture_______.
exposed---supply
What do you do in a restaurant to install a new water softener?
backwash disposal must be sized by a building authority
In the pipe below, the best way to melt the ice in the pipe is from:
apply heat from the supply end
How is pressure affected when a water softener is installed?
decreases
A single trap may receive the waste from a:
laundry tub and clothes washer
When permitted for special conditions, which of
the following traps may be installed?
, What provision must be taken when installing drawn brass tubing traps not less
than 17 B & S gauge on fixtures discharging liquid wastes?
traps exposed and readily assessable
In swimming pools, where can you use copper pipe?
all lines
On building drains, what type of pipe is not generally used?
plastic
The heaviest copper pipe is:
Type K
Where can copper tubing be connected to a ½ inch copper 90° ell?
at both ends
On a gas supply line to a water heater,¾ inch copper tube is permissible
true
Graded A+ Latest 2024/2025
Slip joint fittings are not allowed at
a waste arm or trip arm
On a waste line, what type of fitting can you use?
cleanout
wye of ¼ bend
sanitary tee
What would you use to connect GIP (galvanized iron pipe) to copper?
brass fitting
One gallon of water weighs:
8.33 pounds
One psi of water is equal to:
2.31 feet
,The specific gravity of water is:
1.000
In a solar system, where do you place a pump valve?
supply and service side of pump
In a solar system cross-connections are used if
if it is a closed-loop system
How many square feet would a family of six require if a family of four requires
48 sq. ft. of solar panels?
72------ 48/(4 family)=12 12x(6 family)=72
A 2 inch vent will suffice for:
4 pedestal urinals
A dental cuspidor has how many fixture units?
1
,In water piping, slip joints may be used only in the ______ fixture_______.
exposed---supply
What do you do in a restaurant to install a new water softener?
backwash disposal must be sized by a building authority
In the pipe below, the best way to melt the ice in the pipe is from:
apply heat from the supply end
How is pressure affected when a water softener is installed?
decreases
A single trap may receive the waste from a:
laundry tub and clothes washer
When permitted for special conditions, which of
the following traps may be installed?
, What provision must be taken when installing drawn brass tubing traps not less
than 17 B & S gauge on fixtures discharging liquid wastes?
traps exposed and readily assessable
In swimming pools, where can you use copper pipe?
all lines
On building drains, what type of pipe is not generally used?
plastic
The heaviest copper pipe is:
Type K
Where can copper tubing be connected to a ½ inch copper 90° ell?
at both ends
On a gas supply line to a water heater,¾ inch copper tube is permissible
true
