C36 Plumbing CSLB QUESTIONS AND
ANSWERS A+ GRADED. Buy Quality Materials!
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
Review colors and stripes
Lavender -Blue
DWV-Yellow
Kelly-Green
Mad-Red
When cutting pipe, why is reamer used?
to remove internal burrs
Which of the following is used to thread pipe?
dies
What are anti-siphoning devices used for?
potable water systems
How is plastic adapted to cast-iron bell and spigot?
approved lead-joint plastic adapter because lead cools faster than plastic absorbs
To cut plastic pipe, use a:
hacksaw
On flat-sided nuts and bolts, what sort of wrench would you use?
open-end pipe
What is used to bend soft copper tubing?
spring bender
What is a yarning iron used for?
hub pipe
A torque wrench for a no-hub coupling should release at:
60 inches/lb
On chrome fittings, what sort of wrench would you use?
strap
On nickel-chrome pipe fittings what sort of wrench would you use?
strap
On plastic fitting, what sort of wrench would you use?
strap
What is symbol A?
flush-valve WIC
What is symbol B?
B. pedestal urinal
What is symbol C?
close-coupled W/C
What is symbol D?
ANSWERS A+ GRADED. Buy Quality Materials!
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
Review colors and stripes
Lavender -Blue
DWV-Yellow
Kelly-Green
Mad-Red
When cutting pipe, why is reamer used?
to remove internal burrs
Which of the following is used to thread pipe?
dies
What are anti-siphoning devices used for?
potable water systems
How is plastic adapted to cast-iron bell and spigot?
approved lead-joint plastic adapter because lead cools faster than plastic absorbs
To cut plastic pipe, use a:
hacksaw
On flat-sided nuts and bolts, what sort of wrench would you use?
open-end pipe
What is used to bend soft copper tubing?
spring bender
What is a yarning iron used for?
hub pipe
A torque wrench for a no-hub coupling should release at:
60 inches/lb
On chrome fittings, what sort of wrench would you use?
strap
On nickel-chrome pipe fittings what sort of wrench would you use?
strap
On plastic fitting, what sort of wrench would you use?
strap
What is symbol A?
flush-valve WIC
What is symbol B?
B. pedestal urinal
What is symbol C?
close-coupled W/C
What is symbol D?
