Journeyman Plumbing Test Study
Guide Questions with Correct
Answers
more restrictive provisions apply - ANSWERSwhere conflicts occur between code and
manufacture instructions.
what shall be 3rd party certified as conforming to NSF 14 - ANSWERSall plastic pipe,
fittings and components.
all strainer plates on drain inlets shall be designed and installed so that all openings
are..? - ANSWERSnot greater than 1/2 inch (12.7) in least dimension.
pipes through foundation walls need..? - ANSWERSa relieving arch or a pipe sleeve
which is 2 pipe sized bigger.
waterproofing joints at the roof and around vent pipes shall be made water tight by use
of....? - ANSWERSlead, copper, steel, aluminum, plastic, or approved flashing/flashing
material.
exterior wall opening must be made...? - ANSWERSwater tight.
T or F: buried piping needs to be supported throughout it entire length. -
ANSWERSTrue
When backfilling the trench, that was over excavated - ANSWERSbackfill up to
installation level of bottom of pipe w/sand or gravel in layers no more than 6" in depth
and compacted after each placement.
when a rock is encountered trenching - ANSWERSremoved to not less than 3 inches
below installation level. backfill with tamped sand.
when backfilling pipe systems crown of the pipe must be covered by...? - ANSWERS12
inches of tamped earth.
T or F: truss members and components may be cut, drilled, notched or spliced. -
ANSWERSfalse. unless they obtain approval from a design professional.
hanger spacing: steel pipe - ANSWERSevery 12 ft horizontal 15 vertical
where hot water piping is bundled w/cold or hot water piping... - ANSWERSeach hot
water pipe shall be insulated.
,pipe sizes great than 4 inch need restraints for drain pipes at.. - ANSWERSall changes
in direction and changes in diameter greater that 2 pipe sizes.
testing gauge required for 10 psi or less? - ANSWERShas increments of .10psi or less.
testing gauge required for >10 psi up to 100 psi - ANSWERSincrements of 1 psi
testing gauge required for greater than 100 psi - ANSWERSincrements of 2 psi
tests shall last not less than..? - ANSWERS15 minutes
2 ways you can test a drainage system. - ANSWERSin its entirety or in sections.
if testing entire drainage system, all openings in piping shall be tightly closed except..? -
ANSWERSthe highest opening, and system shall be filled to point of overflowing.
if drainage system is tested in sections, no section shall be tested with less than..? -
ANSWERSa 10 foot head of water.
T or F: plastic piping shall not be tested using air. - ANSWERStrue.
when testing drainage system w/air, force air into system until there is... - ANSWERSa
uniform pressure of 5 psi or sufficient to balance a 10 inch colum of mercury. (no air test
on plastic piping )
drainage and vent final test shall be... - ANSWERSvisual (smoke)
gravity sewer test consists of plugging building sewer at point of connection w/ public
sewer, filling building sewer with water testing with not less than... - ANSWERS10 foot
head of water. maintain for 15 minutes.
shower liner test. fill with water not less than... - ANSWERS2 inches measured at
threshold.
hanger spacing: lead pipe - ANSWERScontinuous horizontal, 4 feet vertical
liquid combustion byproducts of condensing appliances shall be collected and
discharged to... - ANSWERSan approved plumbing fixture or disposal area in
accordance with manufacturer's instructions.
appliances containing evaporator or cooling coils must be provided with... -
ANSWERScondensate drain systems.
, condensate disposal piping shall maintain a horizontal slope in the direction of
discharge not less than - ANSWERS1/8 unit vertical in 12 units horizontal (1 percent
slope)
sheet copper for general applications shall not weigh less than... - ANSWERS12 oz per
sq. ft.
T or F: separate facilities shall be required for dwelling units and sleeping units. -
ANSWERSfalse
separate facilities are not required in structures or tenant spaces with a total occupant
load including employees and customers of... - ANSWERS15 or fewer.
separate facilities are not required in Mercantile occupancies in which the max occupant
load is.. - ANSWERS100 or fewer
in occupancies other than malls, the public/employee toilet facilities shall be located...? -
ANSWERSno more than 1 story above or below and path of travel not more than 500
feet.
where should public and employee toilet facilities be located in malls? - ANSWERSnot
more than 1 story above or below with path of travel no more than 300 feet.
what type of facilities shall be in excess of required minimum? - ANSWERSpay facilities
T or F: egress door for multiple occupant toilet room other than family or assisted use
rooms should be lockable from the inside - ANSWERSFalse
directional signage to required public toilet facilities. - ANSWERSposted in a
lobby,corridor, aisle or similar space so the sign can be readily seen from main
entrance.
drinking fountains distance from individual tenant space that doesn't have a drinking
fountain. - ANSWERSwithin 500 feet of the most remote location in tenant space, and
not more than one story above or below. if in a mall within 300 feet.
accessible plumbing fixtures shall be installed with ____, ____,____ and _____ in
accordance with ICC A117.1 - ANSWERSclearances, heights, spacing and
areangements
water supply and drain pipes under accessible lavatories and sinks shall be ____? -
ANSWERScovered or otherwise configured to protect against contact.
the supply lines and fittings for every plumbing fixture shall be installed so as to prevent
what? - ANSWERSbackflow
Guide Questions with Correct
Answers
more restrictive provisions apply - ANSWERSwhere conflicts occur between code and
manufacture instructions.
what shall be 3rd party certified as conforming to NSF 14 - ANSWERSall plastic pipe,
fittings and components.
all strainer plates on drain inlets shall be designed and installed so that all openings
are..? - ANSWERSnot greater than 1/2 inch (12.7) in least dimension.
pipes through foundation walls need..? - ANSWERSa relieving arch or a pipe sleeve
which is 2 pipe sized bigger.
waterproofing joints at the roof and around vent pipes shall be made water tight by use
of....? - ANSWERSlead, copper, steel, aluminum, plastic, or approved flashing/flashing
material.
exterior wall opening must be made...? - ANSWERSwater tight.
T or F: buried piping needs to be supported throughout it entire length. -
ANSWERSTrue
When backfilling the trench, that was over excavated - ANSWERSbackfill up to
installation level of bottom of pipe w/sand or gravel in layers no more than 6" in depth
and compacted after each placement.
when a rock is encountered trenching - ANSWERSremoved to not less than 3 inches
below installation level. backfill with tamped sand.
when backfilling pipe systems crown of the pipe must be covered by...? - ANSWERS12
inches of tamped earth.
T or F: truss members and components may be cut, drilled, notched or spliced. -
ANSWERSfalse. unless they obtain approval from a design professional.
hanger spacing: steel pipe - ANSWERSevery 12 ft horizontal 15 vertical
where hot water piping is bundled w/cold or hot water piping... - ANSWERSeach hot
water pipe shall be insulated.
,pipe sizes great than 4 inch need restraints for drain pipes at.. - ANSWERSall changes
in direction and changes in diameter greater that 2 pipe sizes.
testing gauge required for 10 psi or less? - ANSWERShas increments of .10psi or less.
testing gauge required for >10 psi up to 100 psi - ANSWERSincrements of 1 psi
testing gauge required for greater than 100 psi - ANSWERSincrements of 2 psi
tests shall last not less than..? - ANSWERS15 minutes
2 ways you can test a drainage system. - ANSWERSin its entirety or in sections.
if testing entire drainage system, all openings in piping shall be tightly closed except..? -
ANSWERSthe highest opening, and system shall be filled to point of overflowing.
if drainage system is tested in sections, no section shall be tested with less than..? -
ANSWERSa 10 foot head of water.
T or F: plastic piping shall not be tested using air. - ANSWERStrue.
when testing drainage system w/air, force air into system until there is... - ANSWERSa
uniform pressure of 5 psi or sufficient to balance a 10 inch colum of mercury. (no air test
on plastic piping )
drainage and vent final test shall be... - ANSWERSvisual (smoke)
gravity sewer test consists of plugging building sewer at point of connection w/ public
sewer, filling building sewer with water testing with not less than... - ANSWERS10 foot
head of water. maintain for 15 minutes.
shower liner test. fill with water not less than... - ANSWERS2 inches measured at
threshold.
hanger spacing: lead pipe - ANSWERScontinuous horizontal, 4 feet vertical
liquid combustion byproducts of condensing appliances shall be collected and
discharged to... - ANSWERSan approved plumbing fixture or disposal area in
accordance with manufacturer's instructions.
appliances containing evaporator or cooling coils must be provided with... -
ANSWERScondensate drain systems.
, condensate disposal piping shall maintain a horizontal slope in the direction of
discharge not less than - ANSWERS1/8 unit vertical in 12 units horizontal (1 percent
slope)
sheet copper for general applications shall not weigh less than... - ANSWERS12 oz per
sq. ft.
T or F: separate facilities shall be required for dwelling units and sleeping units. -
ANSWERSfalse
separate facilities are not required in structures or tenant spaces with a total occupant
load including employees and customers of... - ANSWERS15 or fewer.
separate facilities are not required in Mercantile occupancies in which the max occupant
load is.. - ANSWERS100 or fewer
in occupancies other than malls, the public/employee toilet facilities shall be located...? -
ANSWERSno more than 1 story above or below and path of travel not more than 500
feet.
where should public and employee toilet facilities be located in malls? - ANSWERSnot
more than 1 story above or below with path of travel no more than 300 feet.
what type of facilities shall be in excess of required minimum? - ANSWERSpay facilities
T or F: egress door for multiple occupant toilet room other than family or assisted use
rooms should be lockable from the inside - ANSWERSFalse
directional signage to required public toilet facilities. - ANSWERSposted in a
lobby,corridor, aisle or similar space so the sign can be readily seen from main
entrance.
drinking fountains distance from individual tenant space that doesn't have a drinking
fountain. - ANSWERSwithin 500 feet of the most remote location in tenant space, and
not more than one story above or below. if in a mall within 300 feet.
accessible plumbing fixtures shall be installed with ____, ____,____ and _____ in
accordance with ICC A117.1 - ANSWERSclearances, heights, spacing and
areangements
water supply and drain pipes under accessible lavatories and sinks shall be ____? -
ANSWERScovered or otherwise configured to protect against contact.
the supply lines and fittings for every plumbing fixture shall be installed so as to prevent
what? - ANSWERSbackflow
