NC Plumbing License Exam FINAL SET QUESTIONS AND ANSWERS

NC Plumbing License Exam FINAL SET
QUESTIONS AND ANSWERS.

2 inch pipe falls - CORRECT ANSWER✅✅✅1/4 per foot



Air Break (Drainage System) - CORRECT ANSWER✅✅✅Below Flood Level Rim



AIR GAP, DRAINAGE - CORRECT ANSWER✅✅✅Above Flood Level Rim



All Fixtures Discharging downstream of a WC shall be __________ vented - CORRECT
ANSWER✅✅✅individually



Anything less than ____ degrees is considered a horizontal pipe - CORRECT ANSWER✅✅✅45



Barometric Loop - CORRECT ANSWER✅✅✅35 ft



Branch Interval Definition - CORRECT ANSWER✅✅✅8 feet or more



Building Drain stops how many feet outside of building wall? - CORRECT ANSWER✅✅✅10



Building Sewer Pipe - CORRECT ANSWER✅✅✅10 ft outside wall



Building Sewers __ inches and larger must have ____ every _____ feet - CORRECT ANSWER✅✅✅8
inches, manholes, 400



Circuit Vent - CORRECT ANSWER✅✅✅A vent pipe connected to a vent stack.

, Circuit Vent Min/Max - CORRECT ANSWER✅✅✅Min of 2, Max of 8



Common Vent - CORRECT ANSWER✅✅✅2 traps



Constant for 45 Degree Angle - CORRECT ANSWER✅✅✅1.41 x offset in inches



Cooking % of Lead - CORRECT ANSWER✅✅✅0.25%



Copper Pipe - CORRECT ANSWER✅✅✅Soft



Copper Soldered Joints must be - CORRECT ANSWER✅✅✅Lead Free



Copper Tubing is - CORRECT ANSWER✅✅✅Rigid



Cubic Foot of Water - CORRECT ANSWER✅✅✅7.5 gallons



Distance of Fixture Trap from Vent - CORRECT ANSWER✅✅✅Use Page 78 in Code Book



Double sanitary tee - CORRECT ANSWER✅✅✅Cross



Drain Fixture Unit for Clear Water Appliances - CORRECT ANSWER✅✅✅.5 units



Drainage Fixture Unit - CORRECT ANSWER✅✅✅A measure of the probable discharge into the
drainage system by various types of plumbing fixtures. 1 = Equals 7.5 gallons



DWV Copper - CORRECT ANSWER✅✅✅Yellow Writing



Each location of your company must have what? - CORRECT ANSWER✅✅✅A license holder