MEP Quiz Prep: In-Depth Review and
Practice Questions
1. What does DWV stand for Drain, Waste, Vent
2. If a backhoe operator accidentally digs up a yellow natural gas line
plastic pipe while excavating a trench, he likely
just dug up a .
3. In plumbing terms, a device fastened to the ends Actuator
of pipes (or tubes) to make connections between
individual pipes or tubes (often to create a change
in direction of flow or capacity) is known as what?
4. What functions can different plumbing valves Changes
per- form? direction of fluid
flow, Con- nects
pipes (or tubes)
to each other,
Regulates fluid
flow, Regulates
tempera- ture of
5. Which of the following is black steel pipe NOT a fluid
used for
Drinking
6. Use hard 90o turns, can be used to throttle
flow, typically in water or gas supply lines
Water Ball
7. Prevents Backflow, requires pressure from fluid
to allow mechanism to open.
Valve Check
8. Typically full-way on or off, but can throttle flow.
Also used to divert fluid (3-way, 4-way, etc.)
Valve
9. What piece of equipment removes excessive
amounts of positively charged minerals (mainly
cal- cium and magnesium) that may be present in
3- way
water by using a negatively charged compound
(typically Brine) and an ion-exchanger?
Water Softener
10. Plumbing symbols are universal and cannot
change per project?
, MEP Quiz Prep: In-Depth Review and
Practice Questions
False
,MEP Quiz Prep: In-Depth Review and
Practice Questions
, MEP Quiz Prep: In-Depth Review and
Practice Questions
11. What is the purpose of a dfu? Allows an
engineer to
properly size the
drainage and
vent piping for a
plumb- ing
system
12. What plumbing fixture is meant for washing materi- Sink
als, clothes, dishes, or other items?
13. Isometric Projection A 3D depiction
of a plumbing
system meant
to help a
plumber layout
the
install of their pipin
systems.
14. Stack vented The type of vent-
ing system that
uses drain lines
of one (or more)
fixtures as a vent
for other fix-
tures in the same
group is known
as
15. DWV Drain, Waste, Vent
16. Why would a homeowner use a septic system in- Cost to tap-in to
stead of tying their drainage back into the public utilities,
munici- pality main lines? Loca- tion of
house in rela-
tion to public
utilities
17. What is the point of a P-Trap? To maintain a
Practice Questions
1. What does DWV stand for Drain, Waste, Vent
2. If a backhoe operator accidentally digs up a yellow natural gas line
plastic pipe while excavating a trench, he likely
just dug up a .
3. In plumbing terms, a device fastened to the ends Actuator
of pipes (or tubes) to make connections between
individual pipes or tubes (often to create a change
in direction of flow or capacity) is known as what?
4. What functions can different plumbing valves Changes
per- form? direction of fluid
flow, Con- nects
pipes (or tubes)
to each other,
Regulates fluid
flow, Regulates
tempera- ture of
5. Which of the following is black steel pipe NOT a fluid
used for
Drinking
6. Use hard 90o turns, can be used to throttle
flow, typically in water or gas supply lines
Water Ball
7. Prevents Backflow, requires pressure from fluid
to allow mechanism to open.
Valve Check
8. Typically full-way on or off, but can throttle flow.
Also used to divert fluid (3-way, 4-way, etc.)
Valve
9. What piece of equipment removes excessive
amounts of positively charged minerals (mainly
cal- cium and magnesium) that may be present in
3- way
water by using a negatively charged compound
(typically Brine) and an ion-exchanger?
Water Softener
10. Plumbing symbols are universal and cannot
change per project?
, MEP Quiz Prep: In-Depth Review and
Practice Questions
False
,MEP Quiz Prep: In-Depth Review and
Practice Questions
, MEP Quiz Prep: In-Depth Review and
Practice Questions
11. What is the purpose of a dfu? Allows an
engineer to
properly size the
drainage and
vent piping for a
plumb- ing
system
12. What plumbing fixture is meant for washing materi- Sink
als, clothes, dishes, or other items?
13. Isometric Projection A 3D depiction
of a plumbing
system meant
to help a
plumber layout
the
install of their pipin
systems.
14. Stack vented The type of vent-
ing system that
uses drain lines
of one (or more)
fixtures as a vent
for other fix-
tures in the same
group is known
as
15. DWV Drain, Waste, Vent
16. Why would a homeowner use a septic system in- Cost to tap-in to
stead of tying their drainage back into the public utilities,
munici- pality main lines? Loca- tion of
house in rela-
tion to public
utilities
17. What is the point of a P-Trap? To maintain a
