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Maine Journeyman Plumbing Exam with Complete Solutions
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Maine Journeyman Plumbing Exam with Complete Solutions
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Maine Journeyman Plumbing Exam withComplete Solutions
The Volume of the cylinder is 200.96 cubic feet, many gallons of water is that?
A) 1503
B) 1600
C) 1000
D) 1263.72 CORRECT ANS-7.48 gallons per cubic foot
(200.96 X 7.48) = 1503.2 gallons
Developed Length CORRECT ANS-The length along the center of the pipe and fitting
Vertical pipe CORRECT ANS-any pipe or fitting installed in a vertical position or which forms
an angle of not more than 45 degrees with the vertical line
potable water CORRECT ANS-water that is safe to drink, use in culinary and domestic
purposes
a stack is CORRECT ANS-a vertical pipe
branch CORRECT ANS-Horizontal pipe
parts of a trap CORRECT ANS-
Yoke vent CORRECT ANS-A pipe connecting upward from a soil or waste stack to a vent stack
for the purpose of preventing pressure changes in the stack
,PEX Pipe CORRECT ANS-Polyethylene cross link
Wet Vent CORRECT ANS-A vent which also serves as a drain
invert CORRECT ANS-The lowest point of the inside of a drain, pipe, channel, or other liquid-
carrying conduit.
Trap Primer CORRECT ANS-A device and system of piping that maintains a water seal in a
remote trap.
Static Pressure CORRECT ANS-the pressure existing without any flow motion.
Main Vent (Vent Stack) CORRECT ANS-principal artery of the venting system
BRAZED JOINT CORRECT ANS-any joint obtained by joining of metal parts with alloys which
melt at temperatures higher than 840F, but lower than the melting temperature of the parts to
be joined.
soldered joint CORRECT ANS-any pipe joint obtained by joining metal parts with metallic
mixtures or
alloys which melt at a temperature below 800F and above 300F
BUILDING SUBDRAIN CORRECT ANS-that portion of an underground system, which cannot
drain by
gravity into the building sewer
Rain Leader CORRECT ANS-Pipe used to carry rainwater from the roof to the ground and
away from the building. Rain leaders can be enclosed within the building thermal envelope and
, daylight only when discharging from the building or can be surface-mounted on the exterior of
the building.
Water Hammer Arrestor CORRECT ANS-a device that absorbs the hydraulic shock caused by
the sudden stopping of water flow, usually installed near clothes washing machine and
dishwasher water supply connections.
Backwater valve CORRECT ANS-a device installed in a drainage system to prevent reverse
flow .
Backflow Preventer CORRECT ANS-A check valve that prevents water from flowing back into
a system and contaminating it.
water heater CORRECT ANS-Any heating appliance or equipment that heats potable water
and supplies such water to the potable hot water distribution system.
Direct vent appliance CORRECT ANS-Appliances that are constructed and installed so that all
air for combustion is derived directly from the outdoors and all flue gases are discharged to the
outside atmosphere
SCFM CORRECT ANS-standard cubic feet per minute
T Rating (IBC Ch. 2) CORRECT ANS-time period that the penetration firestop limits maximum
temperature 325 degrees
gray water CORRECT ANS-all of the wastewater that drains from washing machines, sinks,
dishwashers, tubs or showers and can be reused for non-sanitary purposes
air break CORRECT ANS-a physical SEPARATION between a waste pipe and an indirect waste
receptor.
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