MASSACHUSETTS 248 CMR
10.00 PLUMBING CODE
K
C
QUESTIONS AND CORRECT
LO
VERIFIED ANSWERS 100%
GUARANTEED PASS A+
YC
GRADE
D
U
ST
,Dead End
K
2' length of pipe capped or plugged off a branch of the plumbing system.
C
Circuit Vent
Not less than 2 yet no more than 8 floor mounted fixtures that are battery wasted in which a vent
extends off the horizontal waste branch before the last fixture & connects to vent on the
LO
upstream.
Individual water supply
Water supply independent from city water such as a well.
YC
Siphon breaker
Valve or device that prevents backflow.
D
Vent stack
Vertical through the roof with vent branches entering at different floor heights.
U
Min. Air pressure test in water piping.
125 p.s.i.g
ST
Height of riser in water test of drainage system
10' of head
Min. pitch on 3" or less drainage pipe
1/4" per foot
Min. pitch on 4" or more drainage pipe
, 1/8" per foot
2 locations in drainage system short pattern 90* can be used
Soil & waste lines when direction of flow changes from horizontal to vertical.
May a sisson joint be used in the plumbing system?
Negative
K
When backfilling how deep shall the layer of loose earth be?
6" of loose earth
C
4 items that shall never enter plumbing system
LO
Gas, oil, sand, or hazardous materials
5 places grease interceptor must be installed
Restaurant, cafeteria, grocery store, prison, bar where food is served.
YC
Minimum size of vent stack or stack vent
3" minimum stack
D
Minimum sized drain pipe under concrete floor
2" minimum drain under concrete floor
U
Minimum sized sanitary drain through foundation wall
4" minimum sanitary drain
ST
Can two piece trap be used instead of cleanout?
Yes, two piece trap equivalent to clean out
Where can bow vents be found?
Kitchen island sink
Can a vent be pulled off below trap weir?
10.00 PLUMBING CODE
K
C
QUESTIONS AND CORRECT
LO
VERIFIED ANSWERS 100%
GUARANTEED PASS A+
YC
GRADE
D
U
ST
,Dead End
K
2' length of pipe capped or plugged off a branch of the plumbing system.
C
Circuit Vent
Not less than 2 yet no more than 8 floor mounted fixtures that are battery wasted in which a vent
extends off the horizontal waste branch before the last fixture & connects to vent on the
LO
upstream.
Individual water supply
Water supply independent from city water such as a well.
YC
Siphon breaker
Valve or device that prevents backflow.
D
Vent stack
Vertical through the roof with vent branches entering at different floor heights.
U
Min. Air pressure test in water piping.
125 p.s.i.g
ST
Height of riser in water test of drainage system
10' of head
Min. pitch on 3" or less drainage pipe
1/4" per foot
Min. pitch on 4" or more drainage pipe
, 1/8" per foot
2 locations in drainage system short pattern 90* can be used
Soil & waste lines when direction of flow changes from horizontal to vertical.
May a sisson joint be used in the plumbing system?
Negative
K
When backfilling how deep shall the layer of loose earth be?
6" of loose earth
C
4 items that shall never enter plumbing system
LO
Gas, oil, sand, or hazardous materials
5 places grease interceptor must be installed
Restaurant, cafeteria, grocery store, prison, bar where food is served.
YC
Minimum size of vent stack or stack vent
3" minimum stack
D
Minimum sized drain pipe under concrete floor
2" minimum drain under concrete floor
U
Minimum sized sanitary drain through foundation wall
4" minimum sanitary drain
ST
Can two piece trap be used instead of cleanout?
Yes, two piece trap equivalent to clean out
Where can bow vents be found?
Kitchen island sink
Can a vent be pulled off below trap weir?
