Ohio (OH) 767 Home Improvement
Contractor Practice Exam 1 with multiple-
choice Questions correct answers and
detailed rationales
Ohio (OH) 767 Home Improvement Contractor Practice Exam 1
Questions and Answers with Rationales
Question 1
Which document legally defines the work to be completed between a
contractor and homeowner?
A. Building permit
B. Construction contract
C. Material invoice
D. Warranty certificate
Correct Answer: B. Construction contract
Rationale:
A construction contract establishes the legal obligations, scope of work,
payment schedule, and responsibilities of both parties. Permits authorize
construction but do not define contractual obligations.
Question 2
What is the primary purpose of obtaining a building permit?
,A. To increase project value
B. To authorize construction that complies with applicable codes
C. To guarantee contractor payment
D. To purchase materials tax-free
Correct Answer: B. To authorize construction that complies with
applicable codes
Rationale:
Building permits ensure projects meet local building codes and safety
regulations before work begins.
Question 3
According to OSHA, what is the minimum fall protection height for
construction workers on most residential projects?
A. 4 feet
B. 5 feet
C. 6 feet
D. 10 feet
Correct Answer: C. 6 feet
Rationale:
OSHA generally requires fall protection when employees work at
heights of 6 feet or more in construction.
Question 4
,A GFCI outlet primarily protects against:
A. Power surges
B. Electrical shock
C. Low voltage
D. Circuit overload
Correct Answer: B. Electrical shock
Rationale:
Ground Fault Circuit Interrupters detect ground faults and quickly
interrupt electrical current, reducing the risk of electric shock.
Question 5
Which framing member supports roof loads above doors and windows?
A. Stud
B. Joist
C. Header
D. Sill plate
Correct Answer: C. Header
Rationale:
Headers transfer structural loads around openings to adjacent framing
members.
Question 6
, The first step before excavating near underground utilities is to:
A. Begin digging carefully
B. Contact the utility locating service
C. Notify the homeowner only
D. Install fencing
Correct Answer: B. Contact the utility locating service
Rationale:
Contractors must have underground utilities located before excavation to
prevent injuries and utility damage.
Question 7
Concrete reaches approximately what percentage of its design strength
after 28 days?
A. 50%
B. 75%
C. Nearly 100%
D. 120%
Correct Answer: C. Nearly 100%
Rationale:
Concrete is generally designed to achieve its specified compressive
strength after 28 days of curing.
Contractor Practice Exam 1 with multiple-
choice Questions correct answers and
detailed rationales
Ohio (OH) 767 Home Improvement Contractor Practice Exam 1
Questions and Answers with Rationales
Question 1
Which document legally defines the work to be completed between a
contractor and homeowner?
A. Building permit
B. Construction contract
C. Material invoice
D. Warranty certificate
Correct Answer: B. Construction contract
Rationale:
A construction contract establishes the legal obligations, scope of work,
payment schedule, and responsibilities of both parties. Permits authorize
construction but do not define contractual obligations.
Question 2
What is the primary purpose of obtaining a building permit?
,A. To increase project value
B. To authorize construction that complies with applicable codes
C. To guarantee contractor payment
D. To purchase materials tax-free
Correct Answer: B. To authorize construction that complies with
applicable codes
Rationale:
Building permits ensure projects meet local building codes and safety
regulations before work begins.
Question 3
According to OSHA, what is the minimum fall protection height for
construction workers on most residential projects?
A. 4 feet
B. 5 feet
C. 6 feet
D. 10 feet
Correct Answer: C. 6 feet
Rationale:
OSHA generally requires fall protection when employees work at
heights of 6 feet or more in construction.
Question 4
,A GFCI outlet primarily protects against:
A. Power surges
B. Electrical shock
C. Low voltage
D. Circuit overload
Correct Answer: B. Electrical shock
Rationale:
Ground Fault Circuit Interrupters detect ground faults and quickly
interrupt electrical current, reducing the risk of electric shock.
Question 5
Which framing member supports roof loads above doors and windows?
A. Stud
B. Joist
C. Header
D. Sill plate
Correct Answer: C. Header
Rationale:
Headers transfer structural loads around openings to adjacent framing
members.
Question 6
, The first step before excavating near underground utilities is to:
A. Begin digging carefully
B. Contact the utility locating service
C. Notify the homeowner only
D. Install fencing
Correct Answer: B. Contact the utility locating service
Rationale:
Contractors must have underground utilities located before excavation to
prevent injuries and utility damage.
Question 7
Concrete reaches approximately what percentage of its design strength
after 28 days?
A. 50%
B. 75%
C. Nearly 100%
D. 120%
Correct Answer: C. Nearly 100%
Rationale:
Concrete is generally designed to achieve its specified compressive
strength after 28 days of curing.
