Chapter 09 2021 UPC

Chapter 09 2021 UPC

69 Qs

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Chapter 09 2021 UPC

Chapter 09 2021 UPC

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Jeremy Sandor

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69 questions

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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

Media Image

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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