Plumbing Exam Questions and Answers 2024

Plumbing Exam Questions and Answers 2024 When is a plumbing permit required? - answerFor any system construction, removal, or repair (full system) What are the 3 categories of inspection? - answer1. Rough-in (underground): buried piping 2. Middle rough-in: before drywall (sanitary, storm, and water) 3. Final: all fixtures are in and ready to be used Is a permit required to fix a leak? - answerNope, but you still have to follow code Can a homeowner do his/her own installation? - answerNo, you have to have a licensed plumber in NC for system work What are the 3 basic parts of the plumbing system? - answerSupply, Drain, Fixtures What are the 3 classes of pipe in a drainage system? - answerDrain (waste), Traps, Vents What are the 3 basic outdoor plumbing combos? - answerCity H20 + City Sewer ( no new infrastructure) Well + Septic (homeowner, 'off-grid') City H20 + Septic (water is easier to install than sewer) What is an isometric plumbing drawing? What angle does it meet at? What is another name for this type of drawing? - answerA 3D representation of pipes, fittings and fixtures on a 2D platform. 120degrees. Riser diagram. How much is 1 F.U. Value? - answer7.5 gal/min 1 cubic foot What is the minimum fall/foot? - answer1/4in per 1ft (horizontal pipes) What's the difference between a drain pipe and a waste line? - answerDrain: organic waste