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Water Distribution and Cross-Connections Flashcards | StudBud
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Water Distribution and Cross-Connections
Water Distribution and Cross-Connections
25 terms
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StudBud Administration
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100 plays
Water distribution review
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
What is the Factor Values (FV) for residential kitchen sink?
4
1
2
.5
2
A fixture water supply pipe shall not exceed _____ from the point of connection to the fixture.
90 inches
none of the above
60 inches
30 inches
3
Lavatory faucets for public use shall limit the delivery of water to a maximum of ______
.25 GPM
.5 GPM
.75 GPM
.35 GPM
4
What is the most common form of a cross-connection?
garden hose
Fire protection systems
Lawn sprinkler systems
dishwashers
5
The reversal of flow due to an increase in the downstream pressure above the supply pressure
Backpressure
Backsiphonage
6
The constant for a 45° offset is __________.
1.414
1.151
2.162
1.051
7
The minimum distance for an air gap is_____.
twice the effective opening
1"
1/2"
3 time\s the effective opening
8
What type of backflow device is the following?
Backflow Preventer with Intermediate Atmospheric Vent
Double Check Valve Assembly
Reduced Pressure Zone Valve
Air Gap
9
One P.S.I. of water pressure will support a column of water _____ feet high.
.434
7.5
3.14
2.31
10
Outside hose connections shall be installed in all residential buildings no more than ___ apart
25 feet
100 feet
50 feet
75 feet
11
What is the minimum water pipe size for a flush valved water closet?
3/8"
1"
1/2"
3/4"
12
A ______ valve shall be installed on the water supply main on the discharge side of the meter.
Gate Valve
Globe Valve
Check Valve
Full Port Ball Valve
13
What type of backflow device is the following?
Hose Bib Vacuum Breaker
Air Gap
Pressure Vacuume Breaker
Atmospheric Vacuum Breaker
14
What type of backflow device is the following?
Air Gap
Pressure Vacuum Breaker
Atmospheric Vacuum Breaker
Backflow Preventer with Intermediate Atmospheric Vent
15
What type of backfow device is the following
Pressure Vacuum Breaker
hose Bib Vacuum Breaker
Atmospheric Vacuum Breaker
16
Saddle valves are allowed to be used on the water supply line.
False
True
17
The Reversal of normal flow in a system caused by negative pressure in the supply piping
Backpressure
Backsiphonage
18
What is the maximum allowable water pressure allowed in a potable water system?
120 psi
80 psi
60 psi
100 psi
19
What is the minimum size water service pipe?
1/2"
3/4"
1 1/4"
1"
20
One cubic yard contains ______ cubic feet.
12
144
18
27
21
What type of backflow device is the following?
Pressure Vacuum Breaker
Double Check Valve
Backflow Preventor with Intermediate Atmospheric vent
Reduced Pressure Zone Valve
22
When sizing the water distribution system for a restaurant,cafe, what
Demand Factor
do you use?
.50
.25
.35
.70
23
All sillcocks shall be separately controlled by a shut off valve inside the building
False
True
24
What type of backflow device is the following?
Pressure Vacuum Breaker
Backflow Preventer with Intermediate Atmospheric Vent
Atmospheric Vacuum Breaker
Double Check Valve Assembly
25
If You had a Capacity Value of 18, what size water service would be required?
1 1/2"
1 1/4"
3/4"
1"