NC Residential Contractor Exam Carpentry and Building Construction
Knowledge Study Guide 2026/2027 Edition | Latest Questions with
Answers & Rationales | Success Guaranteed
1. A setback distance is...
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: the minimum distance allowed from the house to adjacent
features
Rationale: This answer reflects the construction principle tested in the question
regarding A setback distance is....
2. Normally, form removal for a wall can be done after how many hours of
concrete placement?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: 12
Rationale: This answer reflects the construction principle tested in the question
regarding Normally, form removal for a wall can be done after how many hours of
concrete placement.
3. A glass block has ____________ edges to help form a good bond with
mortar.
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: rough
,Rationale: This answer reflects the construction principle tested in the question
regarding A glass block has ____________ edges to help form a good bond with
mortar..
4. Which of the following exterior non-loading bearing walls is NOT
supported at each story, yet it can be anchored to both columns and
spandrel beams?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: Curtain
Rationale: This answer reflects the construction principle tested in the question
regarding Which of the following exterior non-loading bearing walls is NOT
supported at each story, yet it can be anchored to both columns and spandrel
beams.
5. How many days do concrete walls need to cure?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: 2 days but a week for freezing temperatures.
Rationale: This answer reflects the construction principle tested in the question
regarding How many days do concrete walls need to cure.
6. How many cubic meters equal one cubic yard?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: 0.765
Rationale: This answer reflects the construction principle tested in the question
regarding How many cubic meters equal one cubic yard.
,7. What is efflorescence?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: A white crystalline deposit of salts on the surface of brick
masonry
Rationale: This answer reflects the construction principle tested in the question
regarding What is efflorescence.
8. When working with concrete, which toll will knock down the high spots
and fill in the low spots?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: Bull float
Rationale: This answer reflects the construction principle tested in the question
regarding When working with concrete, which toll will knock down the high spots
and fill in the low spots.
9. The most popular mortar joint is _____________
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: concave
Rationale: This answer reflects the construction principle tested in the question
regarding The most popular mortar joint is _____________.
10. How many rakes does a gable roof have ?
A. Option A
B. Option B
C. Option C
, D. Option D
Correct Answer: 4
Rationale: This answer reflects the construction principle tested in the question
regarding How many rakes does a gable roof have .
11. The notification center that takes information about proposed
excavation projects and transmits it to member facility operators who may
have underground infrastructure in the area of excavation is referred to as
________________.
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: NC811
Rationale: This answer reflects the construction principle tested in the question
regarding The notification center that takes information about proposed
excavation projects and transmits it to member facility operators who may have
underground infrastructure in the area of excavation is referred to as
________________..
12. What is the white powder or salt-like deposit see on the surface of a
masonry brick wall?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: Efflorescence
Rationale: This answer reflects the construction principle tested in the question
regarding What is the white powder or salt-like deposit see on the surface of a
masonry brick wall.
13. What is the formula for calculating board feet?
A. Option A
B. Option B
Knowledge Study Guide 2026/2027 Edition | Latest Questions with
Answers & Rationales | Success Guaranteed
1. A setback distance is...
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: the minimum distance allowed from the house to adjacent
features
Rationale: This answer reflects the construction principle tested in the question
regarding A setback distance is....
2. Normally, form removal for a wall can be done after how many hours of
concrete placement?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: 12
Rationale: This answer reflects the construction principle tested in the question
regarding Normally, form removal for a wall can be done after how many hours of
concrete placement.
3. A glass block has ____________ edges to help form a good bond with
mortar.
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: rough
,Rationale: This answer reflects the construction principle tested in the question
regarding A glass block has ____________ edges to help form a good bond with
mortar..
4. Which of the following exterior non-loading bearing walls is NOT
supported at each story, yet it can be anchored to both columns and
spandrel beams?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: Curtain
Rationale: This answer reflects the construction principle tested in the question
regarding Which of the following exterior non-loading bearing walls is NOT
supported at each story, yet it can be anchored to both columns and spandrel
beams.
5. How many days do concrete walls need to cure?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: 2 days but a week for freezing temperatures.
Rationale: This answer reflects the construction principle tested in the question
regarding How many days do concrete walls need to cure.
6. How many cubic meters equal one cubic yard?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: 0.765
Rationale: This answer reflects the construction principle tested in the question
regarding How many cubic meters equal one cubic yard.
,7. What is efflorescence?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: A white crystalline deposit of salts on the surface of brick
masonry
Rationale: This answer reflects the construction principle tested in the question
regarding What is efflorescence.
8. When working with concrete, which toll will knock down the high spots
and fill in the low spots?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: Bull float
Rationale: This answer reflects the construction principle tested in the question
regarding When working with concrete, which toll will knock down the high spots
and fill in the low spots.
9. The most popular mortar joint is _____________
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: concave
Rationale: This answer reflects the construction principle tested in the question
regarding The most popular mortar joint is _____________.
10. How many rakes does a gable roof have ?
A. Option A
B. Option B
C. Option C
, D. Option D
Correct Answer: 4
Rationale: This answer reflects the construction principle tested in the question
regarding How many rakes does a gable roof have .
11. The notification center that takes information about proposed
excavation projects and transmits it to member facility operators who may
have underground infrastructure in the area of excavation is referred to as
________________.
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: NC811
Rationale: This answer reflects the construction principle tested in the question
regarding The notification center that takes information about proposed
excavation projects and transmits it to member facility operators who may have
underground infrastructure in the area of excavation is referred to as
________________..
12. What is the white powder or salt-like deposit see on the surface of a
masonry brick wall?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: Efflorescence
Rationale: This answer reflects the construction principle tested in the question
regarding What is the white powder or salt-like deposit see on the surface of a
masonry brick wall.
13. What is the formula for calculating board feet?
A. Option A
B. Option B
