Illinois State Plumbing Exam

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 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 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