QUESTIONS AND ANSWERS |
100% PASS
In HVAC symbols, the Return Air is shown by.............. .
a. Slash plus a little leg to the right "ʎ"
b. Simple slash "/"
c. "X" - ANSWER ✔✔b. Simple slash "/"
Select the best description for "Waste Stack" as Plumbing terminology.
Select one:
,a. A water supply pipe that extends vertically one story or more to carry
water to fixtures.
b. A U-shaped pipe below plumbing fixtures that holds water to prevent
odor and sewer gas from entering the fixture.
c. The portion of a pipe or fitting continuing in a straight line in the
direction of flow in which it is connected.
d. A vertical pipe that runs one or more floors and carries the discharge
of fixtures other than water closets and similar fixtures.
e. A pipe that carries the discharge of water closets or other similar
fixtures. - ANSWER ✔✔A vertical pipe that runs one or more floors
and carries the discharge of fixtures other than water closets and similar
fixtures.
Pipes made of copper, plastic, galvanized steel, or cast iron. -
ANSWER ✔✔Residential piping,
Steel pipe with welded or threaded connections and fittings.
Residential piping - ANSWER ✔✔Industrial piping
The air supplied through pipes to allow gravity flow of drainage is
called................ .
,Select one:
a. Trap
b. Vent
c. Return Air - ANSWER ✔✔vent
Place .......................traps in hot water pipes to reduce heat loss from
excess hot water in the pipes.
Select one:
a. Thermosiphon
b. P
c. S - ANSWER ✔✔a. Thermosiphon
Select the best description for "Run" as Plumbing terminology.
Select one:
a. A U-shaped pipe below plumbing fixtures that holds water to prevent
odor and sewer gas from entering the fixture.
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, b. The portion of a pipe or fitting continuing in a straight line in the
direction of flow in which it is connected.
c. A water supply pipe that extends vertically one story or more to carry
water to fixtures.
d. A vertical pipe that runs one or more floors and carries the discharge
of fixtures other than water closets and similar fixtures.
e. A pipe that carries the discharge of water closets or other similar
fixtures. - ANSWER ✔✔The portion of a pipe or fitting continuing in a
straight line in the direction of flow in which it is connected.
What is the most common pipe fitting, is used to combine (or divide) fluid
flow?
Select one:
a. Tee-connection
b. L-connection
c. Y-connection - ANSWER ✔✔a. Tee-connection
Needle valve: - ANSWER ✔✔Controlling flow rate
Gate, plug or ball valves: - ANSWER ✔✔Isolation