NC PLUMBING LICENSE EXAM 2024 NEWEST ACTUAL EXAM
COMPLETE 300 QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS) / ALREADY GRADED
A+ // BRAND NEW!!
Where does the building drain end? - ANSWER: 10 feet outside of the building
Where does the water service end? - ANSWER: 5 feet outside of the building
What is the minimum size water service? - ANSWER: 3/4 inch
How deep does a water service have to be buried? - ANSWER: 6 inches below frost
line or 12 inches minimum
What type of insulation is required for water lines in an attic and at what
temperature? - ANSWER: R6.5 and 75 degrees
What is the minimum size building drain? - ANSWER: 4 inch
What is the minimum size drain that can be underground? - ANSWER: 2 inch
When is the residential book used? - ANSWER: When the question includes house,
duplex, or townhouse
What is the purpose of holding a plumbing license? - ANSWER: To protect the public
What is the purpose of pipe dope? - ANSWER: To seal and lubricate
What year is the target date for lead? - ANSWER: 1978
If you are removing 2 sq ft of Sheetrock or more, what must you provide to the home
owner? - ANSWER: "Protecting your family from lead paint" pamphlet
How many members are on the board of examiners and how were they appointed? -
ANSWER: 7 appointed by the governor
H1 heating license is for - ANSWER: Wet heat
How many member are in the code council and who appointed them? - ANSWER: 17
appointed by the governor
H2 heating license is for - ANSWER: Heat and air over 15 tons
H3 heating license is for - ANSWER: Heat and air up to 15 tons
, How many hours do you have to report a death to OSHA? - ANSWER: 8
Restricted plumbing license is for - ANSWER: Water service and building sewer only
300A shall be posted from - ANSWER: Feb 1 to April 30
What is the gas put off when soldering? - ANSWER: Hydrogen Chloride
Code violation is a - ANSWER: Class 3 misdemeanor
IPS is - ANSWER: Iron Pipe Size
Minimum space between hanger on PVC is - ANSWER: 4 ft
What is a sole proprietor? - ANSWER: You
Type L copper is what color? - ANSWER: Blue
Type M copper is what color? - ANSWER: Red
Type K copper is what color? - ANSWER: Green
Type DWV copper is what color? - ANSWER: Yellow
What is the purpose of the trap? - ANSWER: To prevent sewer gas and
decomposition from being released
What is the purpose of the vent? - ANSWER: To protect the trap
Water distribution pipe is - ANSWER: Hot, cold, and sometimes recirculation
Who has jurisdiction over inspectors? - ANSWER: NC Dept of Insurance
What is the invert? - ANSWER: The lowest point inside of the pipe
What is the water supply rough in on a water closet? - ANSWER: 6 inches over and 6
inches up
How much water is 1 fixture unit? - ANSWER: 7.5 gallons
Vent stack is - ANSWER: Dry
Stack vent is - ANSWER: Wet
Maximum water temperature directly into a trap is - ANSWER: 140 degrees
Flux must be - ANSWER: Water soluble and lead free
COMPLETE 300 QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS) / ALREADY GRADED
A+ // BRAND NEW!!
Where does the building drain end? - ANSWER: 10 feet outside of the building
Where does the water service end? - ANSWER: 5 feet outside of the building
What is the minimum size water service? - ANSWER: 3/4 inch
How deep does a water service have to be buried? - ANSWER: 6 inches below frost
line or 12 inches minimum
What type of insulation is required for water lines in an attic and at what
temperature? - ANSWER: R6.5 and 75 degrees
What is the minimum size building drain? - ANSWER: 4 inch
What is the minimum size drain that can be underground? - ANSWER: 2 inch
When is the residential book used? - ANSWER: When the question includes house,
duplex, or townhouse
What is the purpose of holding a plumbing license? - ANSWER: To protect the public
What is the purpose of pipe dope? - ANSWER: To seal and lubricate
What year is the target date for lead? - ANSWER: 1978
If you are removing 2 sq ft of Sheetrock or more, what must you provide to the home
owner? - ANSWER: "Protecting your family from lead paint" pamphlet
How many members are on the board of examiners and how were they appointed? -
ANSWER: 7 appointed by the governor
H1 heating license is for - ANSWER: Wet heat
How many member are in the code council and who appointed them? - ANSWER: 17
appointed by the governor
H2 heating license is for - ANSWER: Heat and air over 15 tons
H3 heating license is for - ANSWER: Heat and air up to 15 tons
, How many hours do you have to report a death to OSHA? - ANSWER: 8
Restricted plumbing license is for - ANSWER: Water service and building sewer only
300A shall be posted from - ANSWER: Feb 1 to April 30
What is the gas put off when soldering? - ANSWER: Hydrogen Chloride
Code violation is a - ANSWER: Class 3 misdemeanor
IPS is - ANSWER: Iron Pipe Size
Minimum space between hanger on PVC is - ANSWER: 4 ft
What is a sole proprietor? - ANSWER: You
Type L copper is what color? - ANSWER: Blue
Type M copper is what color? - ANSWER: Red
Type K copper is what color? - ANSWER: Green
Type DWV copper is what color? - ANSWER: Yellow
What is the purpose of the trap? - ANSWER: To prevent sewer gas and
decomposition from being released
What is the purpose of the vent? - ANSWER: To protect the trap
Water distribution pipe is - ANSWER: Hot, cold, and sometimes recirculation
Who has jurisdiction over inspectors? - ANSWER: NC Dept of Insurance
What is the invert? - ANSWER: The lowest point inside of the pipe
What is the water supply rough in on a water closet? - ANSWER: 6 inches over and 6
inches up
How much water is 1 fixture unit? - ANSWER: 7.5 gallons
Vent stack is - ANSWER: Dry
Stack vent is - ANSWER: Wet
Maximum water temperature directly into a trap is - ANSWER: 140 degrees
Flux must be - ANSWER: Water soluble and lead free
