Deck 14: Drainage,waste,and Vent Installation

Question 1

Testing a DWV system is typically performed with _______________ and some codes allow air to be used.

Answer 1

water

Question 2

The distance a trap can be installed from its vent is known as ____________________.

Answer 2

trap distance

Question 3

The slope of a waste arm (horizontal fixture drain)is based on ____________________.

Answer 3

hydraulic gradient

Question 4

____________________ are required when a pipe is installed close to the edge of a wall stud.

Question 5

A dry vent must remain vertical until it rises at least _____" above the flood level rim of the highest fixture served by that vent.

Question 6

A _____" pipe is the smallest size allowable in a DWV system.

Question 7

MATCHING
Match the following terms:
a.Fixture group
b.Test plug
c.Test ball
d.Bicycle pump
e.Waste arm
f.Half bathroom
g.Rough
h.Test cap
A horizontal fixture drain that begins with the vent connection and terminates at the fixture connection.

Question 8

A ____________________ is required when a tiled shower base is installed on a wood floor.

Question 9

MATCHING
Match the following terms:
a.Fixture group
b.Test plug
c.Test ball
d.Bicycle pump
e.Waste arm
f.Half bathroom
g.Rough
h.Test cap
Word used to describe the rough-in dimension from the back wall to the center of the toilet drain.

Question 10

The height at which a vent pipe terminates above a roof varies based on local code.

Question 11

Most codes dictate that the 1-1/2" drain with a 1-1/2" p-trap cannot travel more than _____.

Question 12

An ____________________ is allowable by many codes to eliminate the need for some vents being installed so that they terminate to open air and is abbreviated as AAV.

Question 13

Exterior walls that have a _____" waste stack may have to be constructed with 2"´6" wall studs instead of 2"´4" wall studs to accommodate the 3" pipe and fittings.

Question 14

MATCHING
Match the following terms:
a.Fixture group
b.Test plug
c.Test ball
d.Bicycle pump
e.Waste arm
f.Half bathroom
g.Rough
h.Test cap
A bathroom consisting of only a toilet and a lavatory.

Question 15

The project scope of work is the specific installation requirements of a fixture.

Question 16

If a vinyl floor covering is utilized,a plumber does not have to be concerned with additional floor thickness,but if tile is installed,a plumber must know the exact thickness if the flange is installed during the rough-in phase.

Question 17

It is not uncommon for an architect to locate the plumbing fixtures on the exterior wall of a house.

Question 18

A plumber must view the entire pipe route before committing to drilling holes.

Question 19

Some codes dictate that at least one vent in a system must be a minimum of _____" in size throughout the entire length of that vent.

Question 20

MATCHING
Match the following terms:
a.Fixture group
b.Test plug
c.Test ball
d.Bicycle pump
e.Waste arm
f.Half bathroom
g.Rough
h.Test cap
A testing accessory that is injected with air after being inserted into a drainage pipe to allow the system to be filled with water.

Question 21

What is the minimum and maximum vertical distance of the standpipe that most codes dictate for a washing machine box to the inlet of a p-trap?

Question 22

What is the most common size trap installed for a lavatory?

Question 23

MATCHING
Match the following terms:
a.Fixture group
b.Test plug
c.Test ball
d.Bicycle pump
e.Waste arm
f.Half bathroom
g.Rough
h.Test cap
Heavy-duty hand-operated pump sold for the plumbing industry to inject air into a test ball.

Question 24

MATCHING
Match the following terms:
a.Fixture group
b.Test plug
c.Test ball
d.Bicycle pump
e.Waste arm
f.Half bathroom
g.Rough
h.Test cap
A bathroom consisting of a tub or shower,a toilet,and a lavatory.

Question 25

If the code allows a 2"´4" stud load bearing wall to be 60% drilled,what is the maximum size hole that can be drilled into the 2"´4" stud wall?

Question 26

MATCHING
Match the following terms:
a.Fixture group
b.Test plug
c.Test ball
d.Bicycle pump
e.Waste arm
f.Half bathroom
g.Rough
h.Test cap
Several types are available,but they are all used to seal over a pipe end for testing a DWV system.

Question 27

MATCHING
Match the following terms:
a.Fixture group
b.Test plug
c.Test ball
d.Bicycle pump
e.Waste arm
f.Half bathroom
g.Rough
h.Test cap
A testing accessory that inserts into a pipe end for testing purposes;several types are available.