what is the name of a chemical substance that does not allow oxides to form on freshly cleaned copper before soldering or brazing

when a water supply system is tested with air the pressure applied is

an escutcheon is used

the trap seal is the maximum depth of a liquid that a trap will retian measured between the crown weir and

a vent connecting one or more individual vent stack is a

a pipe which makes an angle of 60 degrees with a horizontal is considered a

what type of joint is used in a durham system?

a sewer line 50 feet long installed at a 2% grade will have a total fall of

a waste pipe that discharges into and through an approved open connection is called a/an

a ___________ type of faucet shall be included or installed to drain water from the bottom of water heaters

what is the fall of a line of pipe if the run is 78 feet and the grade is 1/8" per foot

the approved standard for gas fired storage type water heaters is listed by

the ____________ is located on all electric water heaters

before mechanical devices such a bulldozers grader etc, may be used for backfilling pipe trenches, the trench shall be backfilled in 6 inch layers to _________ above top crown of piping

piping and fixtures for which standards or specifications have not been adopted by code may be installed if

the minimum size cleanout allowed to serve a 4 inch drain line is

a horizontal drain pipe has an existing load of 30 drainage fixture units. after connecting the discharge pipe of a sewage ejector pump rate at 60 gpm the total load on the horizontal drain pipe will be

the fitting that is required for making the yoke vent intersection with the drainage stack is a

the maximum developed length for an indirect water of any sanitary waste line shall not exceed

that portion of s fixture drain between a trap and its vent is called a

wall mounted water closets shall be securely bolted to

the overflow pipe from a fixture shall be connected on the

no shower or receptor for a single family house shall have a finished outside dimension which is less than

a material not listed in the code for use in potable water piping is

the term "solvent weld" apllies to

tanks flushing more than one urinal shall be

the mathematical factor used by the plumbing industry to estimate the probable demand of each fixture shall be represented by

the maximum number of fixture units alloweed on a 4 inch sewer with a slope of 1/8 inch per foot as compared to a 4 inch sewer with a slope of 1/4 inch per foot is

a valve which operates by screwing a disc against a seat is called

the maximum number of water closets on a three inch horizontal branch drain line is

atmospheric type vacuum breakers shall not be subjected to

in a straight run underground drainage lines over 10 inches nominal diameter, manholes shall be provided and located at intervals of not more than

one of th following is not a standard fitting

the maximum DFUs allowed on a two inch horizontal waste line

which fitting may be installed in a horizontal drain line to receive waste

the maximum temperature of any water discharging into any part of the drainage system is

the minimum constant water service pressure on the dischrge side of the water meter shall be at least

of the following, the highest rate flow is

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.

a combination waste and vent is permissible for floor drains only and then it must be for new construction only

the 2004 illinois plumbing code permits a water closet to have 1 1/2 vent

a galvanized pipe is a fitting with external threads used to close a pipe with internal threads

a temperature and pressure relief valve shall discharge to the outside atmospher is a floor drain is not accessible

a saddle is permissible ona potable water supply system when installing an ice maker or humidifier systems

section 890 appendix a of the illinios plumbing code states that plastic water piping is acceptable for hot water distribution systems

flared copper joints are permissible in an underground installation for water distribution within a building