Chapter 09 2021 UPC
Authored by Jeremy Sandor
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Vent pipes protect fixture traps against ____________________________.
a. evaporation
b. siphonage
c. clogging
d. cross-connections
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. The vent system shall be designed to prevent a trap seal from being exposed to a pressure differential on the outlet side of the trap that exceeds __ inch of a water column.
a. .50
b. 1
c. 2
d. 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. In the sketch, the primary settling tank ________________________.
a. requires a backwater valve
b. requires a vent pipe
c. is correct as shown
d. does not require a cleanout
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Under certain conditions, traps serving sinks that are part of the equipment of bars, soda fountains, and counters ____________________________.
a. need not be vented
b. shall be vented
c. may be wet-vented
d. may not be wet-vented
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. ABS or PVC-DWV piping installations exposed within ducts or plenums shall be limited to a flame-spread index of not more than 25 or a smoke index of 50 except for _________________.
a. two-story buildings
b. structures not over three floors above grade
c. the restrictions found in IS 5 & 9
d. single-family homes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. Copper tube shall not be used for _____.
a. chemical or industrial wastes
b. water piping
c. underground drainage piping
d. above ground drainage piping
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Changes in direction of vent piping shalI be made by ___________________.
a. heating the pipe and bending
b. welded joints where possible
c. threaded fittings or caulked joints
d. appropriate use of fittings
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