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MASSACHUSETTS PLUMBING CODE EXAM
QUESTIONS WITH ANSWERS.
1. Appliances in a residential garage must be ( ) minima above
the floor - correct answer -18 inches
2. Appliances In a commercial garage must be ( ) feet above the
floor - correct answer -8 feet
3. Make up air grates- ( ) from the top and ( ) from the bottom of a
wall or door - correct answer -12 inches , 12 I Che's
4. Wood louvers = % of free area - correct answer -25% of free
area
5. Metal louvers = % of free area - correct answer -75% of free
area
6. Type B vent shall have a ( ) clearance - correct answer -1 inch
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7. Single wall pipe shall have ( ) of clearance - correct answer -6
inches
8. Gas vents shall terminate ( ) feet above a hood - correct
answer -5 feet
9. Gas regulator shall not be less than ( ) feet from ignition -
correct answer -3 feet
10. PH level in a water tank - correct answer -6-9
11. 1 million btu boilers shall have a ( ) and ( ) pressure switch -
correct answer -High and low pressure switch
12. Residential chimney ( ) feet above roof ( ) feet higher than
anything with in ( ) feet - correct answer -3', 2', 10'
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13. Clean outs over ( ) inches every ( ) feet and over 45 degrees
or more - correct answer -4" and 100 feet
14. Over ( ) million btu gas systems must be designed by a -
correct answer -5 million Btus, mass register engineer
15. Dual fuel is acceptable with written permission form ( ) -
correct answer -Fire officials
16. Category ( ) and ( ) vents shall not terminate above walk
ways - correct answer -2 and 4
17. Gas vents shall have an upward slope of ( ) - correct answer
-1/4"
18. Category ( ) and ( ) shall not be connected to a category ( )
and ( ) vent - correct answer -1,2 - 3,4
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19. Common vents small pope shall be ( ) larger pipe - correct
answer -Above
20. Lp tanks shall be ( ) feet away from door sized by the public -
correct answer -5 feet
21. Lp tanks must be ( ) feet away from a door if only an egress
door - correct answer -10 feet
22. Lp tanks must be ( ) feet away from a fuel dispenser - correct
answer -20 feet
23. Elevated gas systems require ( ) from the supplier - correct
answer -Written statement
24. Hangar distance For cast-iron sewer pipe vertical - correct
answer -At the base and at each story height
MASSACHUSETTS PLUMBING CODE EXAM
QUESTIONS WITH ANSWERS.
1. Appliances in a residential garage must be ( ) minima above
the floor - correct answer -18 inches
2. Appliances In a commercial garage must be ( ) feet above the
floor - correct answer -8 feet
3. Make up air grates- ( ) from the top and ( ) from the bottom of a
wall or door - correct answer -12 inches , 12 I Che's
4. Wood louvers = % of free area - correct answer -25% of free
area
5. Metal louvers = % of free area - correct answer -75% of free
area
6. Type B vent shall have a ( ) clearance - correct answer -1 inch
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7. Single wall pipe shall have ( ) of clearance - correct answer -6
inches
8. Gas vents shall terminate ( ) feet above a hood - correct
answer -5 feet
9. Gas regulator shall not be less than ( ) feet from ignition -
correct answer -3 feet
10. PH level in a water tank - correct answer -6-9
11. 1 million btu boilers shall have a ( ) and ( ) pressure switch -
correct answer -High and low pressure switch
12. Residential chimney ( ) feet above roof ( ) feet higher than
anything with in ( ) feet - correct answer -3', 2', 10'
, Page | 3
13. Clean outs over ( ) inches every ( ) feet and over 45 degrees
or more - correct answer -4" and 100 feet
14. Over ( ) million btu gas systems must be designed by a -
correct answer -5 million Btus, mass register engineer
15. Dual fuel is acceptable with written permission form ( ) -
correct answer -Fire officials
16. Category ( ) and ( ) vents shall not terminate above walk
ways - correct answer -2 and 4
17. Gas vents shall have an upward slope of ( ) - correct answer
-1/4"
18. Category ( ) and ( ) shall not be connected to a category ( )
and ( ) vent - correct answer -1,2 - 3,4
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19. Common vents small pope shall be ( ) larger pipe - correct
answer -Above
20. Lp tanks shall be ( ) feet away from door sized by the public -
correct answer -5 feet
21. Lp tanks must be ( ) feet away from a door if only an egress
door - correct answer -10 feet
22. Lp tanks must be ( ) feet away from a fuel dispenser - correct
answer -20 feet
23. Elevated gas systems require ( ) from the supplier - correct
answer -Written statement
24. Hangar distance For cast-iron sewer pipe vertical - correct
answer -At the base and at each story height
