WorksheetsRoof, Floor, and Area Drains
Total questions: 26
Worksheet time: 20mins
Name
Class
Date
1.
clamp that secures subsurface flashing or a waterproof membrane to the drain body
a)
clamp
b)
ring
c)
flashing ring
d)
clamping ring
2.
a ring that fastens to a drain body with several bolts
a)
clamping ring
b)
deck clamp
c)
dome
3.
a ventilated drain cover that prevents debris from entering the piping systems that helps reduce the chance of pipe clogs
a)
screen
b)
dome
c)
basket
4.
the basic element of all drains, it funnels water into the piping system
a)
drain
b)
drain body
c)
dome
5.
flange that distributes the roof drain's weight over a large area
a)
receiver
b)
drain
c)
drain receiver
d)
body
6.
part that helps set a fixture, such as a drain, at the proper grade
a)
extender
b)
extension
c)
leader
7.
another term for clamping ring
a)
clamp ring
b)
flashing clamp
c)
floor sink
8.
floor drain that is coated with a porcelain or easy-to-clean finish.
a)
floor drain
b)
sink
c)
floor sink
d)
drain
9.
another term for dome
a)
grate
b)
drain
c)
dome
10.
a removable device inside a drain body that traps solids that passs through the grate
a)
dome
b)
body
c)
sediment bucket
d)
collector
11.
short length of pipe or a wooden box attached to a roof deck before concrete is poured, to persevere roof drain openings
a)
box-out
b)
form out
c)
expansion joint
12.
joint or gap between adjacent parts of a building that permits the parts to move, as a result of temperature changes or other conditions, without damage to the structure
a)
expansion joint
b)
box-out
c)
dome
13.
Floor drain bodies are usually made of cast iron or _____.
a)
copper
b)
stainless steel
c)
plastic
d)
vitrified porcelain
14.
To ensure that the drain is set to the proper grade, use a(n)_____.
a)
expander
b)
deck clamp
c)
extension
d)
flashing ring
15.
Flushing floor drains or can wash drains are not required in a(n) _____.
a)
restaurant
b)
hospital
c)
residence
d)
laboratory
16.
Why would you insert a test plug in a floor drain before the concrete floor is poured?
a)
To make the floor drain visible to the concrete crew
b)
To prevent concrete from entering the drain
c)
To maintain pressure in the drain line
d)
To prevent the drain line from collapsing
17.
Some drain grates have a finish that would be damaged by contact with wet concrete. To protect the grates youshould _____.
a)
wrap them in plastic
b)
place a wooden box over the drain
c)
cover them with duct tape
d)
remove them and plug the drain opening
18.
The person responsible for ensuring that the roofers' work, as it relates to plumbing installations, is completedsatisfactorily is _____.
a)
the plumbing inspector
b)
the architect
c)
the site supervisor
d)
the plumber
19.
In a roof drain system, an expansion joint is _____.
a)
seldom required
b)
installed in the horizontal storm water piping
c)
installed in the vertical pipe beneath the drain body
d)
mandated by code
20.
When installing a roof drain with a deck plate, fasten the drain to the deck plate with _____.
a)
molly bolts
b)
self-tapping screws
c)
nuts and washers
d)
removable clips
21.
When installing a plastic shower pan, silicone sealant should be applied to _____.
a)
the drain body only
b)
the bottom of the shower pan only
c)
the drain body and the bottom of the shower pan
d)
the drain body and the sides of the shower pan
22.
When laying waterproof membrane over a shower floor and drain body, caulk should be applied to the uppersurface of the drain base approximately _____.
a)
1" in from the outside edge
b)
1" in from the inside edge
c)
3" in from the outside edge
d)
3" in from the inside edge
23.
When installing a shower, ensure that the drain is positioned at the correct height of _____.
a)
the unfinished shower floor
b)
the finished shower floor
c)
the top of the supporting beams
d)
below the trap weir
24.
The purpose of a trap primer is to _____.
a)
keep water flowing though the trap
b)
periodically add water to the trap
c)
break the trap seal
d)
keep the trap from clogging
25.
For graded drains installed in parking garages, local authorities may require _____.
a)
storm drain filters
b)
gravel strainer beds
c)
sump pumps
d)
sand interceptors and/or oil separators
26.
If a trap receives only limited use, it may _____.
a)
lose its seal
b)
become corroded
c)
have to be replaced
d)
reduce system efficiency
100 %
