Maine Journeyman Plumbing Exam Questions with Complete
Solutions Graded A+
A specially designed system of waste piping embodying the horizontal wet venting of one or more sinks
or floor drains by means of a common waste and vent pipe adequately sized to provide free movement
of air above the flow line of the drain
A) Combination Waste and Vent system
B) Drain air system
C) Oversized drain
D) Flat Drain
Combination Waste and vent system
Where parallel vertical stacks are installed, the connection for the soil stacks shall be via:
A) Backflow tee
B) Typical Wye
C) Drain Tee
D) Yoke Vent
Yoke vent
You are looking at a 16 foot long cylinder that is 4 feet wide. If it is entirely full, how much water is in the
cylinder?
A) 200.96
B)256
C) 300
200.96
Volume is (Pie X R^2)xHeight
(3.14x2^2) X 16 =200.96
The Volume of the cylinder is 200.96 cubic feet, many gallons of water is that?
A) 1503
B) 1600
Page 1 of 18
,C) 1000
D) 1263.72
7.48 gallons per cubic foot
(200.96 X 7.48) = 1503.2 gallons
Developed Length
The length along the center of the pipe and fitting
Vertical pipe
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
water that is safe to drink, use in culinary and domestic purposes
a stack is
a vertical pipe
branch
Horizontal pipe
parts of a trap
Yoke vent
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
Polyethylene cross link
Wet Vent
A vent which also serves as a drain
invert
The lowest point of the inside of a drain, pipe, channel, or other liquid-carrying conduit.
Trap Primer
A device and system of piping that maintains a water seal in a remote trap.
Static Pressure
the pressure existing without any flow motion.
Page 2 of 18
, Main Vent (Vent Stack)
principal artery of the venting system
BRAZED JOINT
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
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
that portion of an underground system, which cannot drain by
gravity into the building sewer
Rain Leader
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
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
a device installed in a drainage system to prevent reverse flow .
Backflow Preventer
A check valve that prevents water from flowing back into a system and contaminating it.
water heater
Any heating appliance or equipment that heats potable water and supplies such water to the potable
hot water distribution system.
Direct vent appliance
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
standard cubic feet per minute
T Rating (IBC Ch. 2)
Page 3 of 18
Solutions Graded A+
A specially designed system of waste piping embodying the horizontal wet venting of one or more sinks
or floor drains by means of a common waste and vent pipe adequately sized to provide free movement
of air above the flow line of the drain
A) Combination Waste and Vent system
B) Drain air system
C) Oversized drain
D) Flat Drain
Combination Waste and vent system
Where parallel vertical stacks are installed, the connection for the soil stacks shall be via:
A) Backflow tee
B) Typical Wye
C) Drain Tee
D) Yoke Vent
Yoke vent
You are looking at a 16 foot long cylinder that is 4 feet wide. If it is entirely full, how much water is in the
cylinder?
A) 200.96
B)256
C) 300
200.96
Volume is (Pie X R^2)xHeight
(3.14x2^2) X 16 =200.96
The Volume of the cylinder is 200.96 cubic feet, many gallons of water is that?
A) 1503
B) 1600
Page 1 of 18
,C) 1000
D) 1263.72
7.48 gallons per cubic foot
(200.96 X 7.48) = 1503.2 gallons
Developed Length
The length along the center of the pipe and fitting
Vertical pipe
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
water that is safe to drink, use in culinary and domestic purposes
a stack is
a vertical pipe
branch
Horizontal pipe
parts of a trap
Yoke vent
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
Polyethylene cross link
Wet Vent
A vent which also serves as a drain
invert
The lowest point of the inside of a drain, pipe, channel, or other liquid-carrying conduit.
Trap Primer
A device and system of piping that maintains a water seal in a remote trap.
Static Pressure
the pressure existing without any flow motion.
Page 2 of 18
, Main Vent (Vent Stack)
principal artery of the venting system
BRAZED JOINT
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
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
that portion of an underground system, which cannot drain by
gravity into the building sewer
Rain Leader
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
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
a device installed in a drainage system to prevent reverse flow .
Backflow Preventer
A check valve that prevents water from flowing back into a system and contaminating it.
water heater
Any heating appliance or equipment that heats potable water and supplies such water to the potable
hot water distribution system.
Direct vent appliance
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
standard cubic feet per minute
T Rating (IBC Ch. 2)
Page 3 of 18
