(CLASS B) PRACTICE EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2025 Q&A |
INSTANT DOWNLOAD PDF
1. What is the minimum slope required for a flat roof to ensure proper
drainage?
A. 1/8 inch per foot
B. 1/4 inch per foot
C. 1/2 inch per foot
D. 3/4 inch per foot
A slope of 1/2 inch per foot ensures proper drainage and reduces water
pooling on flat roofs.
2. According to the Nevada State Contractors Board, how often must a
contractor renew their license?
A. Every year
B. Every two years
C. Every three years
D. Every five years
,Nevada contractor licenses must be renewed every two years.
3. What is the purpose of a footing in a building structure?
A. To support walls
B. To distribute load to the soil
C. To prevent cracks in drywall
D. To provide aesthetic appeal
Footings transfer the structural load to the soil, ensuring stability.
4. Which of the following documents outlines the scope of work and
payment terms in a construction project?
A. OSHA report
B. Change order
C. Contract agreement
D. Building permit
The contract agreement defines project details, responsibilities, and
financial terms.
5. What is the maximum allowable moisture content for framing lumber
at the time of installation?
A. 12%
B. 15%
C. 19%
D. 25%
Lumber used in framing must not exceed 19% moisture content to prevent
warping and mold.
6. What is the purpose of a vapor barrier in construction?
, A. To block noise
B. To provide insulation
C. To prevent moisture intrusion
D. To prevent termites
A vapor barrier resists the movement of moisture from entering walls or
floors.
7. Which of the following is required before starting any construction
work in Nevada?
A. Purchase of materials
B. Building permit issuance
C. Hiring subcontractors
D. Completion bond
Work cannot legally begin without obtaining the required permits.
8. What is the function of rebar in concrete?
A. Aesthetic finish
B. Insulation
C. Tensile reinforcement
D. Surface texturing
Rebar provides tensile strength to concrete, which is strong in compression
but weak in tension.
9. According to Nevada law, how many days does a subcontractor have
to file a mechanics lien after last furnishing labor or materials?
A. 30 days
B. 60 days
C. 75 days
D. 90 days