WorksheetsSUPPORTS QUIZ
Total questions: 23
Worksheet time: 15mins
PEX shall not be stored will it be:
Exposed to direct sunlight
Exposed to materials that affect the basic properties of PEX,brass or copper
Come into contact with chemicals, pipe thread compound, putty, and mineral oil compounds
All of the above
Cast iron pipe should be supported horizontally not more than ___ from the joint
12
16
18
24
For cast iron torquing bands, A torque wrench set at ___ inch pounds shall be used
50
60
80
100
Wrought iron pipe 1 - 1/2" and greater shall be supported horizontally at intervals of
8 feet
10 feet
12 feet
16 feet
Wrought iron pipe 1 - 1/4" and less shall be supported horizontally at intervals of
6
8
10
12
Copper pipe 1 inch and smaller shall be supported horizontally at intervals of
6 feet
8 feet
10 feet
12 feet
Copper pipe 1 - 1/4 inch and larger shall be supported horizontally at intervals of
6 feet
8 feet
10 feet
12 feet
Schedule 40 PVC 1 inch and smaller shall be supported horizontally at intervals of
32 inches
3 feet
4 feet
6 feet
Schedule 40 PVC 1 - 1/4 inch and larger shall be supported horizontally at intervals of
4 feet
6 feet
8 feet
10 feet
Schedule 40 PVC underneath concrete floors shall be laid on stable earth and have ___ inches of grillage on its bottom, top, and sides
2
4
6
10
PVC hangers and straps shall be at least ___ wide
1 inch
2 inch
4 inch
6 inch
A cemented pipe joint shall not be made in conditions of excessive moisture (90% humidity level) or if the temperature is below ____ degrees or above___ degrees F
32 , 95
40 , 95
32 , 90
40 , 90
CPVC pipe 1" or less shall be supported horizontally at intervals
2 feet
3 feet
4 feet
6 feet
CPVC pipe 1 - 1/4" or greater shall be supported horizontally at intervals
2 feet
3 feet
4 feet
6 feet
PEX piping if placed in soil consisting of rock, piping shall be covered with ___ of coarse sand or pea gravel
4 inches
6 inches
12 inches
2 feet
True or False Fittings can be used for PEX buried under a building
(a)
PEX passing through a concrete slab or wall shall be protected by use of a
(a)
List the number: PEX shall not be installed within (a) inches of any recessed light fixture
List the number: PEX shall be tested within (a) inches of any gas appliance metallic vent
List the number: PEX sizes 1 inch and smaller should be supported horizontally at intervals of (a) inches
PEX sizes 1 - 1/4" inch and greater should be supported horizontally at intervals of ___ inches
32
36
42
48
List the number: Lead flashing for a roof vent shall extend no less than (a) inches in all directions from the pipe
Lead flashing for 3 & 4 inch pipe shall not have a base less than ___ inches
6 inches
12 inches
18 inches
24 inches
