Arizona R-45 Sheet Metal Contractor EXAM QUESTIONS AND
CORRECT VERIFIED SOLUTIONS LATEST UPDATE THIS YEAR –
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Arizona R-45 Sheet Metal Contractor Exam
10-Line Exam Coverage in Points Form
1. Licensing & Regulatory Framework - Residential specialty license administered by
Arizona Registrar of Contractors (ROC), 4 years supervisory experience required, PSI
exam provider, open-book format, 70% passing score required, biennial renewal
2. Scope of Work & Limitations - Residential sheet metal work: ductwork,
gutters/downspouts, flashing, metal roofing, metal chimneys/B-vents, Type I kitchen
hoods; excludes electrical, plumbing, structural steel framing, brick masonry, concrete
work
3. HVAC Ductwork & SMACNA Standards - SMACNA HVAC Duct Construction Standards
(Metal and Flexible), gauge selection by duct size/pressure, rectangular vs round/spiral
duct, turning vanes, duct hangers and supports, 26-gauge standard for residential
ductwork
4. Architectural Sheet Metal & Roofing - Step flashing, base flashing, counter-flashing,
valley flashing, gravel stops, standing seam, metal roofing gauge requirements, low-slope
(<2:12) vs steep-slope classifications
5. Installation, Fastening & Joining - Pittsburgh lock/snap-lock seams, self-drilling screws,
pop rivets, thermal expansion considerations, duct sealant (mastic), hanger spacing, B-
vent clearance to combustibles (3 inches)
6. Kitchen Exhaust & Venting Systems - Type I grease-laden vapor hoods vs Type II hoods,
NFPA 96 requirements, B-vents for combustion gases, makeup air system sizing
7. Codes & Standards - SMACNA Duct Construction Standards (3rd Edition), International
Building Code (2018), Architectural Sheet Metal Manual (6th Edition), NRCA Roofing
Manual, OSHA 29 CFR 1926, NFPA 96
8. Safety & PPE - Fall protection required above 6 feet, cut-resistant gloves, safety goggles,
hearing protection, HazCom/SDS compliance, lockout/tagout procedures, ladder angle
(4:1 ratio)
9. Tools & Equipment - Box and pan brake/press brake, slip rolls, aviation snips, plasma
cutter, cold saw, TIG welder, manometer, anemometer, reamer
10. Blueprint Reading & Estimating - Duct layout symbols, bill of materials, material take-
off, square footage calculations, CFM/velocity duct sizing, parallel line development
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100 MCQ Questions with Rationales
1. What is the minimum passing score required for the Arizona R-45 Sheet Metal Contractor
trade examination?
A) 60%
B) 65%
C) 70%
D) 75%
Correct Answer: C
Rationale: Arizona Administrative Code R4-9-106(C) explicitly states that on each required
examination (both statutes and rules and trade), the qualifying party must receive a grade of at
least 70% .
2. How many years of supervisory trade experience are required for the R-45 Sheet Metal
Contractor license?
A) 2 years
B) 3 years
C) 4 years
D) 5 years
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Correct Answer: C
Rationale: Applicants must demonstrate a minimum of four years of supervisory experience
within the past ten years, which is standard for most ROC classifications .
3. Which Arizona agency issues the R-45 Sheet Metal Contractor license?
A) Arizona Department of Health
B) Arizona Registrar of Contractors (ROC)
C) Arizona Corporation Commission
D) Arizona Department of Environmental Quality
Correct Answer: B
Rationale: The Arizona Registrar of Contractors (ROC) issues the R-45 Sheet Metal license for
residential specialty contracting in sheet metal work .
4. Who administers the trade exam for the R-45 license in Arizona?
A) Arizona ROC directly
B) PSI Services
C) Prometric
D) Pearson VUE
Correct Answer: B
Rationale: PSI Services is the exam provider that administers the trade examination for the R-45
license .
5. What is the format of the Arizona R-45 Sheet Metal examination?
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A) Closed-book
B) Open-book
C) Practical skills test only
D) Oral examination
Correct Answer: B
Rationale: The Arizona R-45 Sheet Metal examination is an open-book exam; candidates may
use approved references in the testing center .
6. What is the primary difference between the C-45 and R-45 Sheet Metal licenses?
A) C-45 requires more experience than R-45
B) C-45 is for commercial work; R-45 is for residential work
C) There is no difference
D) C-45 is for residential work; R-45 is for commercial work
Correct Answer: B
Rationale: The C-45 license is for commercial sheet metal contracting, while the R-45 license is
for residential sheet metal contracting. The CR-45 combines both scopes .
7. Under the R-45 scope, which of the following is expressly permitted?
A) Installing residential siding panels
B) Installing and repairing sheet-metal gutters and leaders
C) Performing structural steel framing
D) Painting interior walls