Complete Exam-Style Questions with Detailed Rationales | 100%
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Question 1
Under Arizona Revised Statutes Title 32, Chapter 10, which entity has the authority to
issue, suspend, or revoke a CR-65 Glazing Contractor license?
A. The Arizona Department of Economic Security
B. The Arizona Registrar of Contractors (ROC)
C. The Arizona Department of Transportation
D. The Arizona Corporation Commission
Correct Answer: B
Rationale: The Arizona Registrar of Contractors (ROC) is the state agency vested with
statutory authority under A.R.S. Title 32, Chapter 10 to regulate contractor licensing,
including issuance, suspension, and revocation. The primary distractor is A; the
Department of Economic Security administers public benefits, not professional
licensing.
Question 2
A CR-65 contractor is installing storefront glazing at a retail center in Phoenix. Which
type of glass is most appropriate for reducing solar heat gain while maintaining visible
light transmission in Arizona's desert climate?
A. Annealed clear glass
B. Heat-strengthened low-E glass with a solar control coating
C. Wired glass
D. Laminated glass without coating
Correct Answer: B
,Rationale: Heat-strengthened low-E glass with solar control coating reduces solar heat
gain coefficient (SHGC) while preserving visible transmittance, which is critical for
energy compliance in Arizona's intense solar environment. The primary distractor is A;
annealed clear glass has high SHGC and would create excessive cooling loads.
Question 3
Per OSHA 29 CFR 1926.501, at what height above a lower level is fall protection
required for glazing installation work on a commercial construction site?
A. 4 feet
B. 6 feet
C. 10 feet
D. 15 feet
Correct Answer: B
Rationale: OSHA requires fall protection at 6 feet or more above a lower level in
construction work under 29 CFR 1926.501(b)(1); glazing contractors must implement
guardrails, safety nets, or personal fall arrest systems. The primary distractor is A; 4 feet
applies to general industry, not construction.
Question 4
A glazing contractor discovers that a competitor has filed a complaint with the ROC
alleging unlicensed contracting activity. Under ROC rules, how many days does the
contractor have to respond to the complaint after receiving official notice?
A. 10 days
B. 15 days
C. 20 days
D. 30 days
Correct Answer: C
,Rationale: ROC rules provide a 20-day response period for licensees to address
complaints, allowing time to gather documentation and prepare a formal reply. The
primary distractor is B; 15 days is insufficient under current ROC administrative
procedures.
Question 5
Which glazing sealant type offers the best UV resistance and long-term performance for
exterior curtain wall applications in Arizona's high-UV desert environment?
A. Oil-based acrylic caulk
B. Two-part polysulfide sealant
C. Neutral-cure silicone sealant
D. Butyl rubber tape
Correct Answer: C
Rationale: Neutral-cure silicone sealants exhibit superior UV stability, thermal cycling
resistance, and adhesion to anodized aluminum and glass, making them the industry
standard for exterior curtain walls in high-UV climates. The primary distractor is A;
oil-based acrylic caulks degrade rapidly under UV exposure and are unsuitable for
structural glazing.
Question 6
An Arizona ROC-licensed CR-65 contractor is performing work on a project valued at
$85,000. Which bonding requirement applies?
A. No bond is required for projects under $100,000
B. A performance bond equal to 100% of the contract value is required
C. A payment bond equal to 50% of the contract value is required
D. The contractor's license bond satisfies all project requirements
Correct Answer: B
, Rationale: Under A.R.S. § 32-1153, public works contracts exceeding $50,000 require a
performance bond of 100% of the contract value to protect the public entity. The
primary distractor is D; the license bond is a separate requirement and does not
substitute for project-specific performance bonds.
Question 7
During monsoon season, a glazing contractor observes water infiltration at the head of
a newly installed storefront system. The most likely cause is:
A. Insufficient slope on the sill pan
B. Improper head flashing or inadequate sealant at the interface with the building
envelope
C. Excessive use of setting blocks
D. Thermal expansion of the glass alone
Correct Answer: B
Rationale: Monsoon-driven wind-rain exposure tests the weatherproofing integrity of the
head condition; improper flashing or sealant gaps at the building interface are the
predominant failure points in storefront systems during Arizona's intense rain events.
The primary distractor is A; sill pan slope affects drainage but would not explain head
infiltration.
Question 8
Which glass type is required by the International Building Code (IBC) for glazing in doors
and sidelites within 24 inches of a door edge?
A. Annealed glass up to 1,000 square inches
B. Tempered or laminated safety glass
C. Heat-strengthened glass only
D. Wired glass in all applications
Correct Answer: B