DRAINAGE CHAPTER 6

The siphon created by ___ on the outlet side of a trap can be broken by the proper placement of a fixture vent.

• negative pressure

• the weight of wastewater

• trap seal loss

• positive pressure

The ___ of a substance is the change in volume per unit volume per unit change in pressure.

• density

• elasticity

• compressibility

• friction

A ___ vent is a branch vent servicing two or more fixture traps.

• combination

• common

• group

• wet

Horizontal wet venting in the IPC is limited to horizontal drainage piping receiving the wastewater discharge from fixtures in ___ bathroom groups located on the same floor level.

• two

• three

• four

• five

In the IPC, a vent stack is required to be installed to serve drainage stacks of ___ or more branch intervals.

• five

• ten

• fifteen

• twenty

A ___ is a pipe connecting upward from a soil or waste stack to a vent stack for the purpose of preventing pressure changes in the stacks.

• relief vent

• stack vent

• vent header

• yoke vent

A typical use of a ___ system is for markets with refrigerator, freezer, or produce cases or counters producing condensate waste.

• combination waste and vent

• waste stack vent

• sovent

• common vent

Fixture drains other than water closets are limited to a maximum of ___'' in horizontal developed length from the stack.

• 6

• 12

• 18

• 24

A(n) ___ is located at the base of each stack in a Sovent® system.

• aerator fitting

• de-aerator fitting

• air admittance valve

• clean out

Typical minimum requirements for vent terminations are that the vent must terminate at least ___' from and 3' above window openings or air intakes.

• 3

• 5

• 10

• 12