sTuDy guiDe 2026/2027 ComPleTe
QuesTions WiTH VeriFieD CorreCT
ansWers || 100% guaranTeeD Pass
<neWesT Version>
1. Fixture connections that require the removal of an access panel for servicing
are considered - ANSWER ✔ Accessible
2. That part of the lowest piping of a drainage system that receives the
discharge from soil, waste, and other drainage pipes inside the walls fo the
building and conveys it to a point 2 feet outside the building wall is a -
ANSWER ✔ Building sewer
3. A vertical vent that is a continuation of the drain to which it connects is a -
ANSWER ✔ Circuit vent
4. A horizontal drain that is sized to provide free movement of air above the
flow line of the drain is called a - ANSWER ✔ Continuous waste system
5. The length along the centerline of the pipe and fittings is the - ANSWER ✔
Diameter length
,6. A device integrated within an air accumulator vessel that is designed to
discharge a predetermined quantity of water to fixtures for flushing purposes
is a - ANSWER ✔ Expansion tank
7. The combination of fittings that may be used to make an offset and is
considered a vertical pipe are - ANSWER ✔ 1-45 degree and 1-45degree
8. Water safe for drinking and culinary purposes is referred to as - ANSWER ✔
Potable water
9. Trough urinals shall be - ANSWER ✔ prohibited
10.Drinking fountains shall not be installed in - ANSWER ✔ public toilet
rooms
11.Water closets set side by side shall be no closer than - ANSWER ✔ 30
inches center-to-center
12.The minimum distance from a side wall or partition to the center of a urinal
shall be _______ inches. - ANSWER ✔ 12
13.The clear space in front of any water closet or bidet shall not be less than -
ANSWER ✔ 24 inches
14.Showers in all buildings shall be provided with individual control values of
the - ANSWER ✔ Pressure balance type
, and Thermostatic mixing valve type
15.Maximum hot water temperature permitted for a bidet installation shall be -
ANSWER ✔ 110 degrees F
16.A water heater is by definition an appliance for - ANSWER ✔ Supplying hot
water for domestic and commercial purposes
17.The code requirement for "an adequate supply of potable water" is for -
ANSWER ✔ Cleaning and sanitation
18.The primary reason for installing backflow prevention assemblies is to -
ANSWER ✔ Prevent pollution or contamination of the potable water supply
19.Floor Drains, Standpipes and Other Waste Receptors - ANSWER ✔ These
are waste receptors that receive wastes from fixtures and appliances that
discharge by means of an indirect waste pipe. Floor drains are often installed
for emergency purposes. They are prohibited from being installed in
plenums, crawl spaces, addicts or interstitial spaces above ceilings or below
floors. They must be provided with ready access. Where such drains are
subject to evaporation of the trap contents, a means for maintaining the
liquid trap seal must be provided, in the form of a trap seal, primer or trap
guard.
20.Food Preparation and Storage - ANSWER ✔ Fixtures, appliances and
equipment used in food preparation, storage of food or ice and for the
washing of dishes, pots, pans and utensils cannot connect directly to the
drainage system. They must be discharged by means of an indirect waste
, pipe through an air gap or air brake, depending on the use of the fixture or
equipment.
21.Indirect Waste Piping - ANSWER ✔ Fixtures that discharge through indirect
waste pipes to a receptor or not required to be trapped, except where the
indirect waste pipe exceeds 30 in of horizontal piping, or a total developed
length of both horizontal and vertical piping of 54 inches. Indirect waste
piping receiving only clear-water waste does not require a trap regardless of
the developed length, such as an indirect drain for an ice maker
22.Drainage Materials - ANSWER ✔ Material / Above Ground / Below Ground
ABS / ✓ / ✓
PVC / ✓ / ✓
PE / X / ✓
Cast Iron / ✓ / ✓
Stainless 304 / ✓ / X
Stainless 316L / ✓ / ✓
23.Testing - ANSWER ✔ The drain, waste and vents (DWV) system must be
tested for leaks. All portions of the system must be tested prior to cover. This
can be a standing water test with at least 10 ft. of head pressure for no less
than 15 minutes or an air test with a minimum 5 psi for no less than 15
minutes. Since they required test pressure is under 10 psi. the gauge must be
shown in increments of .10 PSI or less, keep in mind that air testing is not
allowed for plastic pipe.
24.Slope of Horizontal Drain Pipe - ANSWER ✔ Size (Inches) / Minimum
Slope