Illinois State Plumbing Exam
The minimum size of the finished outside of a shower in a single family home. -
ANSWER-32"
A process by which a joint is made by chemically fusing together a plastic pipe and a
fitting. - ANSWER-Solvent Weld
Tanks flushing more than one urinal require what type of operation? - ANSWER-
Automatic
A valve which operates by screwing a disc against a seat. - ANSWER-Globe Valve
The maximum number of water closets on a 3" horizontal branch drain. - ANSWER-2
A backflow prevention device used in plumbing to prevent backflow of non-potable
liquids into the drinking water system. - ANSWER-Atmospheric Vacuum Breaker
A vent connecting one or more individual vents with a vent stack. - ANSWER-Branch
Vent
A pipe which make an angle greater than 45 degrees from horizontal. - ANSWER-
Vertical Pipe
Waste system in which all piping is of threaded pipe, tube, or other rigid construction,
using recessed drainage fittings to correspond to the types of piping - ANSWER-
Durham System
Type of faucet that be included or installed to drain water from the bottom of a water
heater. - ANSWER-Boiler Drain
Who lists the approved standards for gas fired storage type water heaters? - ANSWER-
ASME
Before mechanical devices such as excavators may be used for backfilling pipe
trenches, the trench shall be backfilled in 6" layers to how many inches above the top
crown of the piping? - ANSWER-18"
Piping and fixtures for which standards or specifications have not been adopted by
Code may be installed with who's permission? - ANSWER-Illinois Department of Public
Health
, Chemical substance that does not allow oxides to form on freshly cleaned copper
before soldering or brazing. - ANSWER-Flux
Where is an escutcheon ring used? - ANSWER-The outside of the stub out pipe
A waste pipe that discharges into and through an approved open connection. -
ANSWER-Indirect Waste Pipe
Which 2 parts of a trap are used to measure the depth of the trap seal? - ANSWER-The
crown weir and the top of the dip of the trap
The minimum size of a cleanout serving a 4" drain line. - ANSWER-4"
The fitting required for making the yoke vent intersection. - ANSWER-Wye Branch
The maximum developed length for an indirect waste to any sanitary waste line. -
ANSWER-5'
The portion of a fixture drain between a trap and its vent. - ANSWER-Trap Arm
A fitting used to secure wall-mounted water closets. - ANSWER-Carrier Fitting
The side of the of the trap the overflow pipe must be connected to. - ANSWER-Inlet
Side of the fixture trap
Maximum distance between manholes on >= 10" underground drainage lines -
ANSWER-150'
Maximum Drainage Fixture Units allowed on a 2" horizontal waste line. - ANSWER-6
DFUs
The maximum temperature of any water discharging into any part of the drainage
system. - ANSWER-180 degrees F
The minimum constant water pressure on the discharge side of the water meter. -
ANSWER-20 psi
(T or F) Mechanical Devices shall not be installed in the plumbing vent system except
for single family structures where the homeowner is doing their own plumbing work. -
ANSWER-True
The minimum size for the vent for a single water closet. - ANSWER-2"
The minimum size of the finished outside of a shower in a single family home. -
ANSWER-32"
A process by which a joint is made by chemically fusing together a plastic pipe and a
fitting. - ANSWER-Solvent Weld
Tanks flushing more than one urinal require what type of operation? - ANSWER-
Automatic
A valve which operates by screwing a disc against a seat. - ANSWER-Globe Valve
The maximum number of water closets on a 3" horizontal branch drain. - ANSWER-2
A backflow prevention device used in plumbing to prevent backflow of non-potable
liquids into the drinking water system. - ANSWER-Atmospheric Vacuum Breaker
A vent connecting one or more individual vents with a vent stack. - ANSWER-Branch
Vent
A pipe which make an angle greater than 45 degrees from horizontal. - ANSWER-
Vertical Pipe
Waste system in which all piping is of threaded pipe, tube, or other rigid construction,
using recessed drainage fittings to correspond to the types of piping - ANSWER-
Durham System
Type of faucet that be included or installed to drain water from the bottom of a water
heater. - ANSWER-Boiler Drain
Who lists the approved standards for gas fired storage type water heaters? - ANSWER-
ASME
Before mechanical devices such as excavators may be used for backfilling pipe
trenches, the trench shall be backfilled in 6" layers to how many inches above the top
crown of the piping? - ANSWER-18"
Piping and fixtures for which standards or specifications have not been adopted by
Code may be installed with who's permission? - ANSWER-Illinois Department of Public
Health
, Chemical substance that does not allow oxides to form on freshly cleaned copper
before soldering or brazing. - ANSWER-Flux
Where is an escutcheon ring used? - ANSWER-The outside of the stub out pipe
A waste pipe that discharges into and through an approved open connection. -
ANSWER-Indirect Waste Pipe
Which 2 parts of a trap are used to measure the depth of the trap seal? - ANSWER-The
crown weir and the top of the dip of the trap
The minimum size of a cleanout serving a 4" drain line. - ANSWER-4"
The fitting required for making the yoke vent intersection. - ANSWER-Wye Branch
The maximum developed length for an indirect waste to any sanitary waste line. -
ANSWER-5'
The portion of a fixture drain between a trap and its vent. - ANSWER-Trap Arm
A fitting used to secure wall-mounted water closets. - ANSWER-Carrier Fitting
The side of the of the trap the overflow pipe must be connected to. - ANSWER-Inlet
Side of the fixture trap
Maximum distance between manholes on >= 10" underground drainage lines -
ANSWER-150'
Maximum Drainage Fixture Units allowed on a 2" horizontal waste line. - ANSWER-6
DFUs
The maximum temperature of any water discharging into any part of the drainage
system. - ANSWER-180 degrees F
The minimum constant water pressure on the discharge side of the water meter. -
ANSWER-20 psi
(T or F) Mechanical Devices shall not be installed in the plumbing vent system except
for single family structures where the homeowner is doing their own plumbing work. -
ANSWER-True
The minimum size for the vent for a single water closet. - ANSWER-2"
