Massachusetts Plumbers Journeyman
Quiz_________________?
Existing Work -
Answer✅
A plumbing system or any part thereof installed prior to March 11, 2005.
Quiz_________________?
Soil Pipe -
Answer✅
Any pipe that conveys the discharge of toilets, urinals or fixtures having similar functions to
the building drain or building sewer. The discharge may be conveyed with or without the
discharge from other fixtures
Quiz_________________?
Water Distribution Pipe -
Answer✅
A pipe within the building or on the premises that conveys water from the water service
pipe to the point of usage
Quiz_________________?
Barometric Loop. -
Answer✅
1
,A vertical loop of pipe, rising to a height sufficient to prevent back-siphonage from occurring
in the potable water supply pipe. (Approximately 35 feet, depending on the weight of the
atmosphere.)
Quiz_________________?
Developed Length -
Answer✅
The length of a pipeline as measured along the center line of the pipe or fittings.
Quiz_________________?
Roughing-in. -
Answer✅
The installation of all parts of the plumbing system that can be completed prior to the
installation of fixtures. This includes drainage piping, water supply piping, vent piping, the
necessary fixture supports, and any fixtures that are built into the building.
Quiz_________________?
Trap Seal -
Answer✅
The vertical distance between the crown weir and the top of the dip of the trap.
Quiz_________________?
Air Gap (Drainage System). -
Answer✅
The unobstructed vertical distance through the free atmosphere between the outlet of a
waste pipe and the flood level rim of the receptacle into which the waste discharges.
Air
Quiz_________________?
Fixture Unit. -
2
, Answer✅
A unit of liquid flow used in sizing both supply and drainage pipes. It is equal to 1 cubic foot
per minute or approximately 7.5 gallons per minute.
Quiz_________________?
Liquid Waste -
Answer✅
Discharge from any fixture, appliance, area or appurtenance that does not contain human or
animal waste matter suspended in a solution.
Quiz_________________?
Vacuum -
Answer✅
Any pressure less than that exerted by the atmosphere
Quiz_________________?
Branch Interval -
Answer✅
A distance along a soil or waste stack corresponding in general to a story height, but not
less than eight feet in vertical height, and wherein the horizontal branches from one floor or
story of a building are connected to the stack
Quiz_________________?
Testing water supply shall be at a pressure no less than? -
Answer✅
125 PSI
Quiz_________________?
Storm or Sanitary drains shall be installed at a slope that: -
3
, Answer✅
a slope that produces a computed velocity of discharge of not less than two feet per second.
Quiz_________________?
Horizontal drainage piping which is (3) three inches in diameter or smaller shall be installed
with a minimum uniform pitch -
Answer✅
¼ inch per foot
Quiz_________________?
Horizontal drainage piping which is larger than three inches in diameter shall be installed
with a minimum uniform pitch of -
Answer✅
1/8 inch per foot
Quiz_________________?
Special Labs. All licensed plumbers and plumbing apprentices installing pipe connections or
working on drains to hospital waste and vent systems, mortuary waste and vent systems,
laboratory waste and vent systems, dental waste and vent systems and plumbing systems in
radioactive sensitive areas -
Answer✅
shall have the surface of their body and clothing protected by disposable or washable gowns
similar or equal to the gowns, gloves and face masks worn by surgical staff.
Quiz_________________?
Whenever there is reason to believe that the plumbing system of any building has become
defective, it shall be subjected -
Answer✅
test and/or inspection, and any defects found shall be corrected as required in writing by the
Inspector
4
Quiz_________________?
Existing Work -
Answer✅
A plumbing system or any part thereof installed prior to March 11, 2005.
Quiz_________________?
Soil Pipe -
Answer✅
Any pipe that conveys the discharge of toilets, urinals or fixtures having similar functions to
the building drain or building sewer. The discharge may be conveyed with or without the
discharge from other fixtures
Quiz_________________?
Water Distribution Pipe -
Answer✅
A pipe within the building or on the premises that conveys water from the water service
pipe to the point of usage
Quiz_________________?
Barometric Loop. -
Answer✅
1
,A vertical loop of pipe, rising to a height sufficient to prevent back-siphonage from occurring
in the potable water supply pipe. (Approximately 35 feet, depending on the weight of the
atmosphere.)
Quiz_________________?
Developed Length -
Answer✅
The length of a pipeline as measured along the center line of the pipe or fittings.
Quiz_________________?
Roughing-in. -
Answer✅
The installation of all parts of the plumbing system that can be completed prior to the
installation of fixtures. This includes drainage piping, water supply piping, vent piping, the
necessary fixture supports, and any fixtures that are built into the building.
Quiz_________________?
Trap Seal -
Answer✅
The vertical distance between the crown weir and the top of the dip of the trap.
Quiz_________________?
Air Gap (Drainage System). -
Answer✅
The unobstructed vertical distance through the free atmosphere between the outlet of a
waste pipe and the flood level rim of the receptacle into which the waste discharges.
Air
Quiz_________________?
Fixture Unit. -
2
, Answer✅
A unit of liquid flow used in sizing both supply and drainage pipes. It is equal to 1 cubic foot
per minute or approximately 7.5 gallons per minute.
Quiz_________________?
Liquid Waste -
Answer✅
Discharge from any fixture, appliance, area or appurtenance that does not contain human or
animal waste matter suspended in a solution.
Quiz_________________?
Vacuum -
Answer✅
Any pressure less than that exerted by the atmosphere
Quiz_________________?
Branch Interval -
Answer✅
A distance along a soil or waste stack corresponding in general to a story height, but not
less than eight feet in vertical height, and wherein the horizontal branches from one floor or
story of a building are connected to the stack
Quiz_________________?
Testing water supply shall be at a pressure no less than? -
Answer✅
125 PSI
Quiz_________________?
Storm or Sanitary drains shall be installed at a slope that: -
3
, Answer✅
a slope that produces a computed velocity of discharge of not less than two feet per second.
Quiz_________________?
Horizontal drainage piping which is (3) three inches in diameter or smaller shall be installed
with a minimum uniform pitch -
Answer✅
¼ inch per foot
Quiz_________________?
Horizontal drainage piping which is larger than three inches in diameter shall be installed
with a minimum uniform pitch of -
Answer✅
1/8 inch per foot
Quiz_________________?
Special Labs. All licensed plumbers and plumbing apprentices installing pipe connections or
working on drains to hospital waste and vent systems, mortuary waste and vent systems,
laboratory waste and vent systems, dental waste and vent systems and plumbing systems in
radioactive sensitive areas -
Answer✅
shall have the surface of their body and clothing protected by disposable or washable gowns
similar or equal to the gowns, gloves and face masks worn by surgical staff.
Quiz_________________?
Whenever there is reason to believe that the plumbing system of any building has become
defective, it shall be subjected -
Answer✅
test and/or inspection, and any defects found shall be corrected as required in writing by the
Inspector
4
