MEP QUIZ QUESTIONS WITH ALL
CORRECT ANSWERS
Why would a homeowner use a septic system instead of tying their drainage back into
the municipality main lines? - Answer-Cost to tap-in to public utilities, Location of house
in relation to public utilities
What is the point of a P-Trap? - Answer-To maintain a water seal in the drain piping
What could happen if your plumbing vent piping was not sized large enough? - Answer-
Could have back-pressure issues, Sediment could build-up and clog, System might not
drain properly
What is the purpose of a pump station for a drainage system? - Answer-Pumps the
gravity fed waste to a new elevation to allow it to continue flowing down the line
What plumbing fixture is meant for washing hands only - Answer-Lavatory
What piece of equipment heats up water for plumbing use (meaning water for human
use/consumption)? - Answer-Water Heater
In locations (or buildings) that might not require a new automatic suppression system,
what might be a potential cost benefit of installing one anyway? - Answer-Insurance
premiums may be reduced by installing a new system
A type of fire suppression system which activates the medium prior to the opening of
sprinkler heads so it will fill the pipes and be prepared to suppress a fire as soon as the
sprinkler head releases. - Answer-Pre-Action System
Fire Department Connection (FDC) - Answer-An apparatus used to connect fire hoses
to on the outside of the building so that the fire department can pump additional water
into the building for fire suppression.
What does DWV stand for - Answer-Drain, Waste, Vent
If a backhoe operator accidentally digs up a yellow plastic pipe while excavating a
trench, he likely just dug up a _____. - Answer-natural gas line
, In plumbing terms, a device fastened to the ends 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? - Answer-Actuator
What functions can different plumbing valves perform? - Answer-Changes direction of
fluid flow, Connects pipes (or tubes) to each other, Regulates fluid flow, Regulates
temperature of a fluid
Which of the following is black steel pipe NOT used for - Answer-Drinking Water
Use hard 90o turns, can be used to throttle flow, typically in water or gas supply lines -
Answer-Ball Valve
Prevents Backflow, requires pressure from fluid to allow mechanism to open. - Answer-
Check Valve
Typically full-way on or off, but can throttle flow. Also used to divert fluid (3-way, 4-way,
etc.) - Answer-3- way
What piece of equipment removes excessive amounts of positively charged minerals
(mainly calcium and magnesium) that may be present in water by using a negatively
charged compound (typically Brine) and an ion-exchanger? - Answer-Water Softener
Plumbing symbols are universal and cannot change per project? - Answer-False
What is the purpose of a dfu? - Answer-Allows an engineer to properly size the drainage
and vent piping for a plumbing system
What plumbing fixture is meant for washing materials, clothes, dishes, or other items? -
Answer-Sink
Isometric Projection - Answer-A 3D depiction of a plumbing system meant to help a
plumber layout the install of their piping systems.
Stack vented - Answer-The type of venting system that uses drain lines of one (or more)
fixtures as a vent for other fixtures in the same group is known as
DWV - Answer-Drain, Waste, Vent
Dry-pipe System - Answer-A type of fire suppression system where the pipes are filled
with pressurized air (or nitrogen) instead of the suppression medium.
Stand Pipe, Fire Riser - Answer-A vertical (typically) piping system within a building
(usually a stairwell) used to connect fire hoses to for additional support in suppressing a
fire
CORRECT ANSWERS
Why would a homeowner use a septic system instead of tying their drainage back into
the municipality main lines? - Answer-Cost to tap-in to public utilities, Location of house
in relation to public utilities
What is the point of a P-Trap? - Answer-To maintain a water seal in the drain piping
What could happen if your plumbing vent piping was not sized large enough? - Answer-
Could have back-pressure issues, Sediment could build-up and clog, System might not
drain properly
What is the purpose of a pump station for a drainage system? - Answer-Pumps the
gravity fed waste to a new elevation to allow it to continue flowing down the line
What plumbing fixture is meant for washing hands only - Answer-Lavatory
What piece of equipment heats up water for plumbing use (meaning water for human
use/consumption)? - Answer-Water Heater
In locations (or buildings) that might not require a new automatic suppression system,
what might be a potential cost benefit of installing one anyway? - Answer-Insurance
premiums may be reduced by installing a new system
A type of fire suppression system which activates the medium prior to the opening of
sprinkler heads so it will fill the pipes and be prepared to suppress a fire as soon as the
sprinkler head releases. - Answer-Pre-Action System
Fire Department Connection (FDC) - Answer-An apparatus used to connect fire hoses
to on the outside of the building so that the fire department can pump additional water
into the building for fire suppression.
What does DWV stand for - Answer-Drain, Waste, Vent
If a backhoe operator accidentally digs up a yellow plastic pipe while excavating a
trench, he likely just dug up a _____. - Answer-natural gas line
, In plumbing terms, a device fastened to the ends 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? - Answer-Actuator
What functions can different plumbing valves perform? - Answer-Changes direction of
fluid flow, Connects pipes (or tubes) to each other, Regulates fluid flow, Regulates
temperature of a fluid
Which of the following is black steel pipe NOT used for - Answer-Drinking Water
Use hard 90o turns, can be used to throttle flow, typically in water or gas supply lines -
Answer-Ball Valve
Prevents Backflow, requires pressure from fluid to allow mechanism to open. - Answer-
Check Valve
Typically full-way on or off, but can throttle flow. Also used to divert fluid (3-way, 4-way,
etc.) - Answer-3- way
What piece of equipment removes excessive amounts of positively charged minerals
(mainly calcium and magnesium) that may be present in water by using a negatively
charged compound (typically Brine) and an ion-exchanger? - Answer-Water Softener
Plumbing symbols are universal and cannot change per project? - Answer-False
What is the purpose of a dfu? - Answer-Allows an engineer to properly size the drainage
and vent piping for a plumbing system
What plumbing fixture is meant for washing materials, clothes, dishes, or other items? -
Answer-Sink
Isometric Projection - Answer-A 3D depiction of a plumbing system meant to help a
plumber layout the install of their piping systems.
Stack vented - Answer-The type of venting system that uses drain lines of one (or more)
fixtures as a vent for other fixtures in the same group is known as
DWV - Answer-Drain, Waste, Vent
Dry-pipe System - Answer-A type of fire suppression system where the pipes are filled
with pressurized air (or nitrogen) instead of the suppression medium.
Stand Pipe, Fire Riser - Answer-A vertical (typically) piping system within a building
(usually a stairwell) used to connect fire hoses to for additional support in suppressing a
fire
