COMPREHENSIVE PRACTICE QUESTIONS & STUDY GUIDE
(2026/2027 EDITION)
1. What is the minimum required distance from a dwelling unit to a
private garage for fire separation purposes?
A. 1 foot
B. 3 feet
C. 5 feet
D. No separation is required
Correct Answer: D. No separation is required
Rationale: The IRC regulates attached and detached private garages but
does not mandate a specific minimum distance for fire separation from
a dwelling for a detached garage. Fire separation requirements apply to
walls, floors, and ceilings between the garage and dwelling unit, not a
setback distance from the structure .
2. According to the New Jersey UCC, what is the maximum height for a
step riser in a residential stairway?
A. 7 3/4 inches
B. 8 inches
C. 8 1/4 inches
D. 9 inches
Correct Answer: C. 8 1/4 inches
Rationale: The New Jersey amendments to the IRC have modified the
maximum riser height to 8 1/4 inches . The standard IRC requirement is
7 3/4 inches, but New Jersey has adopted this specific amendment.
,3. Which of the following is a required inspection for a residential
footing and foundation?
A. After concrete is poured
B. After backfill is complete
C. Prior to placing footings
D. During framing inspection
Correct Answer: C. Prior to placing footings
Rationale: An inspection of the bottom of footing trenches is required
before the footings are placed to ensure the soil is suitable and the
formwork is correct .
4. The term "building official" in the national model codes is replaced
by which term in New Jersey?
A. Code Inspector
B. Construction Official
C. Plans Examiner
D. Subcode Official
Correct Answer: B. Construction Official
Rationale: New Jersey's UCC has its own administrative structure.
Where the model codes use "building official," New Jersey regulations
replace it with "construction official" or "design professional" as
applicable .
5. In New Jersey, who issues a Certificate of Occupancy?
A. The contractor
B. The property owner
C. The construction official
D. The lender
Correct Answer: C. The construction official
Rationale: The construction official issues the Certificate of Occupancy
,after the final inspection confirms compliance with the UCC and all fees
are paid .
6. What is the minimum tread depth for residential stairways in New
Jersey?
A. 9 inches
B. 10 inches
C. 11 inches
D. 12 inches
Correct Answer: A. 9 inches
Rationale: The IRC requires a minimum tread depth of 10 inches, but
the New Jersey amendments specifically state 9 inches .
7. Who is responsible for notifying the enforcing agency when an
inspection is required?
A. The construction official
B. The subcode official
C. The person responsible for the construction work
D. The property owner's lender
Correct Answer: C. The person responsible for the construction work
Rationale: The permit holder or the person responsible for the work
must notify the enforcing agency that the work is ready for inspection
at least 24 hours prior .
8. Which license discipline requires the successful completion of the
building, one- and two-family dwelling examination module in New
Jersey?
A. Building Inspector I.C.S.
B. Building Inspector H.H.S.
C. Building Inspector R.C.S.
, D. Mechanical Inspector General
Correct Answer: C. Building Inspector R.C.S.
Rationale: A Residential and Small Commercial Specialist (R.C.S.)
building inspector must pass the "building, one-and two-family
dwelling" module, among other requirements .
9. What is the primary purpose of the Uniform Construction Code
(UCC) in New Jersey?
A. To increase property values
B. To standardize construction costs
C. To safeguard public health, safety, and welfare
D. To ensure uniform architectural aesthetics
Correct Answer: C. To safeguard public health, safety, and welfare
Rationale: The UCC was established to protect the public's health,
safety, and welfare by providing uniform technical standards for
construction .
10. How many questions are on the NCPCCI 1A Building Inspector
One- and Two-Family Dwelling exam?
A. 25
B. 50
C. 75
D. 100
Correct Answer: B. 50
Rationale: The 1A Residential Building Inspector exam is composed of
50 questions .
11. For which of the following buildings does the State of New Jersey
typically perform the plan review?
A. One-family dwellings