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WorksheetsUPC Chapter 6 quiz
Total questions: 44
Worksheet time: 22mins
The code requirement for an adequate supply of potable running water is for ___________________.
safety and sanitation
protection of trap seals
water-cooled equipment
hydronic systems
In occupancies where plumbing fixtures are installed for ________, hot water shall be required for bathing and washing purposes.
public use
commercial use
private use
daycare facilities
Except as required in Sections 1610.0 and 1617.0, non-potable water systems shall have a _____________ with black uppercase lettering, with the words "CAUTION: NON-POTABLE WATER, DO NOT DRINK."
white background
blue background
green background
yellow background
The primary reason for installing backflow prevention assemblies is to ________________________.
prevent excessive pressure
prevent mixing of hot and cold water
prevent pollution or contamination of the potable water supply
prevent scalding
All backflow devices or assemblies shall be tested by a __________________________.
licensed agent
representative from the Authority Having Jurisdiction
certified backflow tester
third-party certified agency
Choose the answer you think is correct for the minimum height of the atmospheric vacuum breaker above the point specified.
Above all downstream piping for lawn sprinkler system atmospheric vacuum breakers: _________
1"
6"
12"
24"
Backflow prevention devices installed in the water supply line to steam boilers shall be installed ________________________.
6 inches above the floor
6 inches above the boiler
12 inches above the floor
12 inches above the boiler
Ballcocks in water closet tanks shall be installed so that the critical level of the water inlet is above the full opening of the overflow pipe at least ________________________.
1/2 inch
1 inch
3 inches
6 inches
Choose the answer you think is correct for the minimum height of the atmospheric vacuum breaker above the point specified.
Above the overflow rim of a vat: __________
1"
2"
6"
12"
The piping material not approved in the code for water piping located inside a building is ___________.
PVC
PE
asbestos cement
All of the above
CPVC water pipe may be used for hot and cold water distribution systems _________________.
in residences only
within a building
below ground only
above ground only
Copper water tube Type “M” may be installed within a building _____________________.
below slab only
above ground only
for cold water only
if it is wrapped
The color stripe on Type “K” hard-drawn copper tubing is ______________.
green
blue
red
yellow
Cast-iron fittings, up to and including two inches in size, when used in connection with potable water piping, shall be ________________________.
extra heavy
flanged
disallowed
galvanized
All malleable iron water fittings shall be ________________________.
2 inch or smaller
galvanized
flanged
removed
PEX tubing shall not be installed within the first ____ of piping connected to a water heater.
12 inches
18 inches
24 inches
36 inches
Flexible corrugated connectors of copper or stainless steel for water heater connectors shall be limited to _______________.
12 inches
18 inches
24 inches
36 inches
When brazing, the alloys shall have a melting temperature of at least ___ degrees F.
800
840
1000
1200
Flaring tools are used to make joints for________________________.
hard Type K copper tubing
soft copper water tubing
yellow brass water piping
aluminum water piping
A push fit fitting is _____________________.
assembled using excessive force.
assembled by pushing tube / pipe into a fitting and is sealed by an o-ring.
prohibited by code.
permitted to be installed in accessible locations only.
Surfaces to be joined by soldering or brazing shall be cleaned bright by _____________________.
mechanical or manual means
a self-cleaning flux
a corrosive flux
sulfuric acid
Solder and fluxes used in piping systems conveying potable water are prohibited when the lead content exceeds_____________________.
0.2 of 1 percent
0.5 of 1 percent
1 percent
less than 10 percent
The minimum wall thickness for threaded plastic pipe shalI be _____________________.
Schedule 40
ScheduIe 80
1/8 inch
1/16 inch
Heat fusion weld joints _________________________
are used in some thermoplastic systems.
are low temperature, metallic weld joints.
require prior approval of an AHJ.
may be used in drainage systems but not pressure systems.
Water valves 2-1/2 inches and larger may have bodies that are ________________________.
galvanized
die-cast
aluminum core
cast iron
The type of valve required on a building supply to any building is a ________________________.
fullway valve
corporation valve
butterfly valve
globe valve
Immediately ahead of each water-supplied appliance and each slip joint or nonmetallic water supply connection is required a ________________________.
control valve
check valve
backwater valve
solenoid valve
After allowing for friction and other pressure losses, the residual water pressure shall be at least _______.
.433 psi
7.5 psi
15 psi
29 psi
A water piping system with a pressure of 110 psi will require a(an) ________________________.
reduced pressure backflow device
extra-heavy pipe and fittings
pressure regulator and strainer
pressure-relief valve
Combination temperature and pressure relief valves shall be installed ________________________.
based on their listing requirements and the manufacturer’s instructions
within 3 inches to 6 inches of the water heater
in lieu of pressure-relief valves
on all non-storage-type water heaters
Any water system that prevents dissipation of building pressure back into the water main shall be
provided with an approved, listed, and adequately sized ________ or other approved device.
double-check valve
expansion tank
temperature & pressure relief valve
PRV
Each pressure-relief valve installed inside of the building shall have a ________________________.
full size drain extended to outside
check valve to prevent backflow
trapped drain line
drain that terminates 30 inches or more above grade
Discharge from a relief valve into a water heater pan shall be ______________.
permissible under any conditions
Permissible if the pan has a 1” drain to an approved location
prohibited
prohibited if seismically strapped
Changes in direction of copper tubing may be made with _______________________.
bending equipment
heat annealing
metallic fittings
plastic fittings
Water piping may be installed in the same trench with sewer piping made of ________________.
cast iron
clay
asbestos cement
bituminized fiber
Galvanized steel piping installed under a concrete floor slab within a building shall________________.
have a machine-applied coating
have a spiral wrap
be installed without joints
be installed with brazed joints
Copper tubing used for water piping under a concrete slab within a building shall be _______________.
installed with brazed joints with cast brass fittings
protected with a factory-applied coating
installed without joints where possible
installed with Type K copper tube with brazed joints
The duration for a water system pressure test shall be for a period of not less than ____ minutes?
5
10
15
30
Except for plastic piping, water piping systems may be tested with ________________________.
10 psi air pressure
50 psi air pressure
10 psi CO2
60 psi CO2
The distance between a water heater and the union on the water lines shall not be more than ________________________.
6 inches
12 inches
18 inches
24 inches
The quantity of water required to be supplied to every plumbing fixture shall be represented by ________________________.
gallons per minute
feet per second
fixture units
available head pressure
Building supplies shall be no smaller than that required for the installation and, in no case, smaller than ________________________.
1/2 inch
3/4 inch
1 inch
2 inches
Other than systems sized by the use of Table 6-6, the maximum velocity of a cold water system containing copper and copper alloy tube and fittings shall be limited to ________________________.
5 feet per second
8 feet per second
10 feet per second
15 feet per second
The size and material of irrigation water piping installed outside of any building and separated from the potable water supply by means of an approved backflow prevention device is __________________.
regulated by code
not regulated by code
regulated by the National Sanitation Foundation
regulated by the American Society of Sanitary Engineers
