Massachusetts Plumbing Code | Questions and
Answers
Questions in this set (217)
How far can a trap arm go 1 1/2" 5' 6' 8' 10'
2" 3" 4"
What is the maximum water 80 psi
pressure going into a
residential dwelling
What is the smallest drain piping 2"
allowed underground
What's the minimal size vent 2"
going through a roof
How many pounds in a gallon of 8.33 lbs
water
How many gallons in a cubic 7.5
foot of water
How much does a square foot 62.5 lbs
of water weigh
What is the minimal size piping 4"
for drainage going through a
foundation wall
What is the minimal size water 3/4"
main underground
How far should a dwv vent go 18-24"
through the roof
What is the max temp for a 112 degrees
shower head
What is the maximum distance 10"
for a common vent at
different levels
What is the minimal liquid trap 2"
seal
What must be stamped on the ASTM, SV or XH neoprene, manufactures name
lip of every
S.U. Gasket
It must be at least twice the size of the diameter of the drain it serves
How do you calculate the size of
, an air gap (into a receptor, sink, floor drain, or inlet side of a trap)
What is the minimal pounds of 2 pounds
grease per gallon of flow
Minimal size water heater that 6 gallons
requires a safe pan
what is the multiplier for a 45 Rise x 1.414 = offset
degree offset
Area of a triangle formula A=1/2bh (bxh divide by 2)
What temperature does water 212 degrees Fahrenheit
boil at
What temperature does water 32 degrees Fahrenheit
freeze at
Volume of a rectangle LxWxH
Volume of a triangular solid Bxh divided by 2 x L
How many gallons in a fixture 7.5
unit
How many cubic Inches in a 231"
gallon
Psi (gauge pressure) at the .434 x height in feet
base of a column of water
At what temp is water most 39.2 degrees
dense
Volume of a cylinder V=πr²h ( pi X r squared X height
Where is the vacuum breaker After the valve
located on a flushometer
How do you test a water systems 125 psi for 15 minutes
How many water closets are 3
allowed on a 3" stack
Pitch for 4" drainage or more per 1/8th per foot
foot
What size letters are on a 7/16 inch
triangular tag when
supplying non potable
water
If only one stack through the 3"
roof what must it be
What is a fixture unit Amount of water that can drain through 1 1/4" drain in 60 seconds
Maximum distance for fixture 24"
outlet to trap wier
Expansion rate of schedule 40 3/8 inches per 10 feet
pvc pipe per 100 degrees
Max length of a hot water line 100 feet
before return line required
What color designates hydrants Yellow
with nonpotable water?
Answers
Questions in this set (217)
How far can a trap arm go 1 1/2" 5' 6' 8' 10'
2" 3" 4"
What is the maximum water 80 psi
pressure going into a
residential dwelling
What is the smallest drain piping 2"
allowed underground
What's the minimal size vent 2"
going through a roof
How many pounds in a gallon of 8.33 lbs
water
How many gallons in a cubic 7.5
foot of water
How much does a square foot 62.5 lbs
of water weigh
What is the minimal size piping 4"
for drainage going through a
foundation wall
What is the minimal size water 3/4"
main underground
How far should a dwv vent go 18-24"
through the roof
What is the max temp for a 112 degrees
shower head
What is the maximum distance 10"
for a common vent at
different levels
What is the minimal liquid trap 2"
seal
What must be stamped on the ASTM, SV or XH neoprene, manufactures name
lip of every
S.U. Gasket
It must be at least twice the size of the diameter of the drain it serves
How do you calculate the size of
, an air gap (into a receptor, sink, floor drain, or inlet side of a trap)
What is the minimal pounds of 2 pounds
grease per gallon of flow
Minimal size water heater that 6 gallons
requires a safe pan
what is the multiplier for a 45 Rise x 1.414 = offset
degree offset
Area of a triangle formula A=1/2bh (bxh divide by 2)
What temperature does water 212 degrees Fahrenheit
boil at
What temperature does water 32 degrees Fahrenheit
freeze at
Volume of a rectangle LxWxH
Volume of a triangular solid Bxh divided by 2 x L
How many gallons in a fixture 7.5
unit
How many cubic Inches in a 231"
gallon
Psi (gauge pressure) at the .434 x height in feet
base of a column of water
At what temp is water most 39.2 degrees
dense
Volume of a cylinder V=πr²h ( pi X r squared X height
Where is the vacuum breaker After the valve
located on a flushometer
How do you test a water systems 125 psi for 15 minutes
How many water closets are 3
allowed on a 3" stack
Pitch for 4" drainage or more per 1/8th per foot
foot
What size letters are on a 7/16 inch
triangular tag when
supplying non potable
water
If only one stack through the 3"
roof what must it be
What is a fixture unit Amount of water that can drain through 1 1/4" drain in 60 seconds
Maximum distance for fixture 24"
outlet to trap wier
Expansion rate of schedule 40 3/8 inches per 10 feet
pvc pipe per 100 degrees
Max length of a hot water line 100 feet
before return line required
What color designates hydrants Yellow
with nonpotable water?
