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
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
