Journeyman and Master Plumbing Questions With 100% Correct Answers.

What degree is used for isometric drawings? - Answer-60 degrees What is the recommended minimum of minutes for chlorine water management? - Answer-20-30 minutes When you need to repair a single handle lavatory faucet, what needs to be replaced? - Answer-O ring Galvanic corrosion of water supply piping can occur where - Answer-steel pipe is joined to a dissimilar metal pipe Whenever necessary to make an inspection to enforce any of the provisions of the Code, an authorized representative may enter the premises - Answer-at all reasonable times After completion of work and testing of sewer pipeline, who shall request inspection? - AnswerSupervisor of job at job-site If the Administrative Authority requests that a new type of material be used on a project, who pays for the testing of the new material? - Answer-Contractor When plumbing work is inspected and a "notice of correction" is served, how many days does the contractor have to correct the work? - Answer-Within 10 days What is the vertical distance called that is between the lowest opening of a pipe fixture or appurtenance that is discharging waste to the overflow level of a fixture? - Answer-Airgap, drainage A cleanout which has direct access without the necessity of removing any panel or door is defined to be - Answer-readily accessible Distribution of water from any other source than intended is - Answer-backflow Back-siphonage is defined as - Answer-the flowing back of used, contaminated or polluted water from a plumbing fixture or vessel into a water supply pipe due to a negative pressure in such pipeThe _________________________ is the pipe which carries potable water from a water meter to a building. - Answer-building supply Backflow is defined as - Answer-non-potable water or other liquids entering a potable water system