R-100 Residential & Small Commercial
Contractor license in Utah Exam Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
Download Pdf
1. A contractor holds which license classification when they oversee
new home construction and small commercial buildings under
20,000 sq ft in Utah?
A. B100 General Building Contractor
B. E100 General Engineering Contractor
C. R100 Residential & Small Commercial Contractor
D. P200 General Plumbing Contractor
The R100 classification covers residential and small commercial
projects under the size/height limits, while B100 is broader.
2. The exam for the R100 license is the Utah Division of Professional
Licensing Business & Law exam.
A. True
B. False
While the Business & Law exam is required for the R100 license,
trade-specific exams are not required in Utah for this classification.
3. Before a contractor begins excavation on a residential foundation
in Utah, the contractor must:
A. Pour the slab immediately
, B. Wait for final landscaping
C. Call utility companies to locate underground lines
D. Begin framing first
Utah law and standard construction practice require locating
underground utilities before excavation to prevent damage.
4. Which of the following topics is included in the Utah Business &
Law exam subject list?
A. Advanced structural engineering design only
B. Roofing tile installation details only
C. Project management, estimating and bidding, risk
management, safety
D. Only plumbing and electrical trade questions
The exam description lists business organization, estimating &
bidding, contract management, project management, risk
management, safety etc.
5. A contractor must provide a written contract for any residential
project in Utah when the total price exceeds:
A. $500
B. $1,000
C. $2,500
D. $5,000
According to practice materials, Utah law requires written
contracts for residential projects exceeding $2,500.
6. The minimum ceiling height for habitable rooms in Utah is:
A. 6 ft 6 in
B. 7 ft
C. 7 ft 6 in
, D. 8 ft
Study guides for Utah practice list 7 ft 6 in as the typical
requirement for habitable room ceiling height.
7. A contractor is asked to install a vapor barrier in exterior wall
construction. The primary purpose of the vapor barrier is to:
A. Provide structural strength
B. Enhance paint adhesion
C. Prevent moisture from entering walls
D. Reduce sound transmission
Vapor barriers are used to limit moisture infiltration and avoid rot,
mold, and structural damage.
8. On a typical Utah residential roof, proper drainage should be
provided by a minimum slope of:
A. ¼ inch per foot
B. ½ inch per foot
C. 1 inch per foot
D. 2 inches per foot
Practice question banks for Utah list ½ in per foot as a minimum
for roof drainage.
9. When using treated lumber for exterior construction, a contractor
must:
A. Use it only indoors
B. Treat it with water before installation
C. Wear protective equipment and avoid contact with food
surfaces
D. Sand all surfaces before use
Contractor license in Utah Exam Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
Download Pdf
1. A contractor holds which license classification when they oversee
new home construction and small commercial buildings under
20,000 sq ft in Utah?
A. B100 General Building Contractor
B. E100 General Engineering Contractor
C. R100 Residential & Small Commercial Contractor
D. P200 General Plumbing Contractor
The R100 classification covers residential and small commercial
projects under the size/height limits, while B100 is broader.
2. The exam for the R100 license is the Utah Division of Professional
Licensing Business & Law exam.
A. True
B. False
While the Business & Law exam is required for the R100 license,
trade-specific exams are not required in Utah for this classification.
3. Before a contractor begins excavation on a residential foundation
in Utah, the contractor must:
A. Pour the slab immediately
, B. Wait for final landscaping
C. Call utility companies to locate underground lines
D. Begin framing first
Utah law and standard construction practice require locating
underground utilities before excavation to prevent damage.
4. Which of the following topics is included in the Utah Business &
Law exam subject list?
A. Advanced structural engineering design only
B. Roofing tile installation details only
C. Project management, estimating and bidding, risk
management, safety
D. Only plumbing and electrical trade questions
The exam description lists business organization, estimating &
bidding, contract management, project management, risk
management, safety etc.
5. A contractor must provide a written contract for any residential
project in Utah when the total price exceeds:
A. $500
B. $1,000
C. $2,500
D. $5,000
According to practice materials, Utah law requires written
contracts for residential projects exceeding $2,500.
6. The minimum ceiling height for habitable rooms in Utah is:
A. 6 ft 6 in
B. 7 ft
C. 7 ft 6 in
, D. 8 ft
Study guides for Utah practice list 7 ft 6 in as the typical
requirement for habitable room ceiling height.
7. A contractor is asked to install a vapor barrier in exterior wall
construction. The primary purpose of the vapor barrier is to:
A. Provide structural strength
B. Enhance paint adhesion
C. Prevent moisture from entering walls
D. Reduce sound transmission
Vapor barriers are used to limit moisture infiltration and avoid rot,
mold, and structural damage.
8. On a typical Utah residential roof, proper drainage should be
provided by a minimum slope of:
A. ¼ inch per foot
B. ½ inch per foot
C. 1 inch per foot
D. 2 inches per foot
Practice question banks for Utah list ½ in per foot as a minimum
for roof drainage.
9. When using treated lumber for exterior construction, a contractor
must:
A. Use it only indoors
B. Treat it with water before installation
C. Wear protective equipment and avoid contact with food
surfaces
D. Sand all surfaces before use
