Virginia Residential Building Contractor Exam Practice Questions
and Correct Answers (Verified Answers) Plus Rationale
Question 1: According to the Virginia Uniform Statewide Building Code (USBC) and IRC provisions,
what is the minimum required width of a clear opening for an emergency escape and rescue window
located in a bedroom on the second floor?
A. 18 inches
B. 20 inches
C. 24 inches
D. 36 inches
CORRECT ANSWER: B. 20 inches
Rationale: Per IRC requirements incorporated into the Virginia Residential Code, emergency escape and
rescue openings must have a minimum clear net opening width of 20 inches and a minimum clear net
opening height of 24 inches, with a minimum net clear opening area of 5.7 square feet (5.0 sq. ft. for
grade-floor openings).
Question 2: Under the Virginia Board for Contractors regulations, what is the minimum net worth or
operating capital requirement for a contractor applying for a Class A license?
A. $15,000
B. $25,000
C. $45,000
D. $50,000
CORRECT ANSWER: C. $45,000
Rationale: The Board for Contractors in Virginia requires a applicant for a Class A license to demonstrate
financial stability through a minimum net worth or operating capital of $45,000. Class B applicants
require $15,000, while Class C applicants do not have a specific minimum net worth threshold but are
subject to contract value caps.
Question 3: In residential wood frame construction, what is the maximum spacing allowed between
anchor bolts securing a sill plate to a concrete foundation wall when not specifically designed by an
engineer?
A. 4 feet on center
,B. 6 feet on center
C. 8 feet on center
D. 10 feet on center
CORRECT ANSWER: B. 6 feet on center
Rationale: Residential building codes specify that foundation anchor bolts for sill plates must be spaced a
maximum of 6 feet apart on center, located within 12 inches of each end of each plate section, and
embedded at least 7 inches into masonry or concrete.
Question 4: What is the maximum allowable distance from a plumbing fixture trap to its corresponding
vent pipe for a 2-inch drain line?
A. 4 feet
B. 5 feet
C. 8 feet
D. 12 feet
CORRECT ANSWER: C. 8 feet
Rationale: According to IPC/IRC plumbing tables applicable in Virginia, the maximum horizontal
distance from the trap weir to the vent fitting for a 2-inch fixture drain pipe is 8 feet, based on standard
pipe slope requirements of 1/4 inch per foot.
Question 5: A residential contractor in Virginia enters into a contract exceeding $1,000 with a
homeowner. Which of the following elements MUST be included in the written contract per DPOR
rules?
A. The contractor's local tax identification number
B. The contractor's license number, class, and specialty designation
C. The names of all subcontractors employed on the job site
D. A 10-year warranty against structural defects
CORRECT ANSWER: B. The contractor's license number, class, and specialty designation
Rationale: Virginia DPOR regulations dictate that all written contracts over $1,000 must include the
contractor's license number, license class, specialty designation, start and completion dates, scope of
work, and total cost alongside formal cancellation clause disclosures.
,Question 6: When placing concrete for a residential footings in Virginia, what is the minimum
concrete cover required for steel reinforcing bars exposed directly to earth or weather?
A. 1.5 inches
B. 2.0 inches
C. 3.0 inches
D. 4.0 inches
CORRECT ANSWER: C. 3.0 inches
Rationale: Concrete structural elements cast against and permanently exposed to earth (such as footings
poured directly into unformed ground) require a minimum concrete cover of 3 inches over steel
reinforcement to prevent moisture penetration and steel corrosion.
Question 7: What is the minimum required thickness for gypsum wallboard used on ceilings where
joists are spaced 24 inches on center and installed perpendicular to joists without sagging resistance
coating?
A. 3/8 inch
B. 1/2 inch
C. 5/8 inch
D. 3/4 inch
CORRECT ANSWER: C. 5/8 inch
Rationale: For ceiling joists or rafters spaced 24 inches on center, 5/8-inch standard gypsum board or 1/2-
inch water-resistant ceiling board rated for 24-inch framing spans is required to prevent sagging between
supports.
Question 8: In Virginia, how many days does a home buyer have to cancel a contract under the
Virginia Residential Property Disclosure Act if the disclosure statement is delivered after contract
execution?
A. 3 days if delivered in person or 5 days if mailed
B. 7 days regardless of delivery method
C. 10 business days
D. 14 calendar days
, CORRECT ANSWER: A. 3 days if delivered in person or 5 days if mailed
Rationale: Under Virginia law, if the required disclosure statement is provided after the ratification of the
real estate contract, the purchaser may terminate the contract within 3 days after hand delivery or 5 days
after deposit in the US mail.
Question 9: What is the minimum slope required for asphalt shingle roofs installed on residential
structures without using special double-underlayment procedures?
A. 1 unit vertical in 12 units horizontal (1:12)
B. 2 units vertical in 12 units horizontal (2:12)
C. 4 units vertical in 12 units horizontal (4:12)
D. 6 units vertical in 12 units horizontal (6:12)
CORRECT ANSWER: C. 4 units vertical in 12 units horizontal (4:12)
Rationale: Standard asphalt shingle applications require a minimum roof slope of 4:12. Slopes between
2:12 and less than 4:12 require special low-slope installation with double-layer underlayment, whereas
slopes below 2:12 are not permitted for asphalt shingles.
Question 10: Which type of insurance coverage is required by Virginia law for a general contractor
employing three or more full-time or part-time employees?
A. Comprehensive General Liability
B. Builder’s Risk Coverage
C. Workers' Compensation Insurance
D. Errors and Omissions Insurance
CORRECT ANSWER: C. Workers' Compensation Insurance
Rationale: Under the Virginia Workers' Compensation Act, any employer who regularly employs three or
more full-time or part-time employees (including subcontractors and active working partners/officers)
must carry Workers' Compensation insurance.
Question 11: What is the minimum required depth of footings below the finished exterior grade line in
Virginia to protect against frost damage (unless established otherwise by local soil conditions)?
A. 12 inches
B. 18 inches
and Correct Answers (Verified Answers) Plus Rationale
Question 1: According to the Virginia Uniform Statewide Building Code (USBC) and IRC provisions,
what is the minimum required width of a clear opening for an emergency escape and rescue window
located in a bedroom on the second floor?
A. 18 inches
B. 20 inches
C. 24 inches
D. 36 inches
CORRECT ANSWER: B. 20 inches
Rationale: Per IRC requirements incorporated into the Virginia Residential Code, emergency escape and
rescue openings must have a minimum clear net opening width of 20 inches and a minimum clear net
opening height of 24 inches, with a minimum net clear opening area of 5.7 square feet (5.0 sq. ft. for
grade-floor openings).
Question 2: Under the Virginia Board for Contractors regulations, what is the minimum net worth or
operating capital requirement for a contractor applying for a Class A license?
A. $15,000
B. $25,000
C. $45,000
D. $50,000
CORRECT ANSWER: C. $45,000
Rationale: The Board for Contractors in Virginia requires a applicant for a Class A license to demonstrate
financial stability through a minimum net worth or operating capital of $45,000. Class B applicants
require $15,000, while Class C applicants do not have a specific minimum net worth threshold but are
subject to contract value caps.
Question 3: In residential wood frame construction, what is the maximum spacing allowed between
anchor bolts securing a sill plate to a concrete foundation wall when not specifically designed by an
engineer?
A. 4 feet on center
,B. 6 feet on center
C. 8 feet on center
D. 10 feet on center
CORRECT ANSWER: B. 6 feet on center
Rationale: Residential building codes specify that foundation anchor bolts for sill plates must be spaced a
maximum of 6 feet apart on center, located within 12 inches of each end of each plate section, and
embedded at least 7 inches into masonry or concrete.
Question 4: What is the maximum allowable distance from a plumbing fixture trap to its corresponding
vent pipe for a 2-inch drain line?
A. 4 feet
B. 5 feet
C. 8 feet
D. 12 feet
CORRECT ANSWER: C. 8 feet
Rationale: According to IPC/IRC plumbing tables applicable in Virginia, the maximum horizontal
distance from the trap weir to the vent fitting for a 2-inch fixture drain pipe is 8 feet, based on standard
pipe slope requirements of 1/4 inch per foot.
Question 5: A residential contractor in Virginia enters into a contract exceeding $1,000 with a
homeowner. Which of the following elements MUST be included in the written contract per DPOR
rules?
A. The contractor's local tax identification number
B. The contractor's license number, class, and specialty designation
C. The names of all subcontractors employed on the job site
D. A 10-year warranty against structural defects
CORRECT ANSWER: B. The contractor's license number, class, and specialty designation
Rationale: Virginia DPOR regulations dictate that all written contracts over $1,000 must include the
contractor's license number, license class, specialty designation, start and completion dates, scope of
work, and total cost alongside formal cancellation clause disclosures.
,Question 6: When placing concrete for a residential footings in Virginia, what is the minimum
concrete cover required for steel reinforcing bars exposed directly to earth or weather?
A. 1.5 inches
B. 2.0 inches
C. 3.0 inches
D. 4.0 inches
CORRECT ANSWER: C. 3.0 inches
Rationale: Concrete structural elements cast against and permanently exposed to earth (such as footings
poured directly into unformed ground) require a minimum concrete cover of 3 inches over steel
reinforcement to prevent moisture penetration and steel corrosion.
Question 7: What is the minimum required thickness for gypsum wallboard used on ceilings where
joists are spaced 24 inches on center and installed perpendicular to joists without sagging resistance
coating?
A. 3/8 inch
B. 1/2 inch
C. 5/8 inch
D. 3/4 inch
CORRECT ANSWER: C. 5/8 inch
Rationale: For ceiling joists or rafters spaced 24 inches on center, 5/8-inch standard gypsum board or 1/2-
inch water-resistant ceiling board rated for 24-inch framing spans is required to prevent sagging between
supports.
Question 8: In Virginia, how many days does a home buyer have to cancel a contract under the
Virginia Residential Property Disclosure Act if the disclosure statement is delivered after contract
execution?
A. 3 days if delivered in person or 5 days if mailed
B. 7 days regardless of delivery method
C. 10 business days
D. 14 calendar days
, CORRECT ANSWER: A. 3 days if delivered in person or 5 days if mailed
Rationale: Under Virginia law, if the required disclosure statement is provided after the ratification of the
real estate contract, the purchaser may terminate the contract within 3 days after hand delivery or 5 days
after deposit in the US mail.
Question 9: What is the minimum slope required for asphalt shingle roofs installed on residential
structures without using special double-underlayment procedures?
A. 1 unit vertical in 12 units horizontal (1:12)
B. 2 units vertical in 12 units horizontal (2:12)
C. 4 units vertical in 12 units horizontal (4:12)
D. 6 units vertical in 12 units horizontal (6:12)
CORRECT ANSWER: C. 4 units vertical in 12 units horizontal (4:12)
Rationale: Standard asphalt shingle applications require a minimum roof slope of 4:12. Slopes between
2:12 and less than 4:12 require special low-slope installation with double-layer underlayment, whereas
slopes below 2:12 are not permitted for asphalt shingles.
Question 10: Which type of insurance coverage is required by Virginia law for a general contractor
employing three or more full-time or part-time employees?
A. Comprehensive General Liability
B. Builder’s Risk Coverage
C. Workers' Compensation Insurance
D. Errors and Omissions Insurance
CORRECT ANSWER: C. Workers' Compensation Insurance
Rationale: Under the Virginia Workers' Compensation Act, any employer who regularly employs three or
more full-time or part-time employees (including subcontractors and active working partners/officers)
must carry Workers' Compensation insurance.
Question 11: What is the minimum required depth of footings below the finished exterior grade line in
Virginia to protect against frost damage (unless established otherwise by local soil conditions)?
A. 12 inches
B. 18 inches
