Alberta Sheet Metal Worker Apprenticeship Certification Exam Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

Alberta Sheet Metal Worker
Apprenticeship Certification Exam Questions And Correct
Answers
(Verified Answers) Plus Rationales 2026 Q&A | Instant
Download Pdf

1. Which type of personal protective equipment is essential when
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operating a hand shear?
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a) Safety boots g



b) Ear plugs
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c) Safety glasses g



d) Hard hat g



Answer: c) Safety glasses
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Rationale: Safety glasses protect eyes from flying metal shards, which
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are common when using hand shears.
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2. What is the primary purpose of a layout square in sheet metal work?
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a) Cutting metal sheets g g



b) Joining metal parts g g



c) Measuring and marking accurate angles g g g g



d) Supporting metal during bending g g g



Answer: c) Measuring and marking accurate angles
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Rationale: A layout square ensures precision in marking 90° or 45°
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angles on metal sheets.
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,3. When installing ductwork, what is the recommended method to
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prevent air leakage?
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a) Using tape alone g g



b) Welding seams g



c) Applying mastic or UL-181 approved sealant
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d) Using screws only g g



Answer: c) Applying mastic or UL-181 approved sealant
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Rationale: Sealants prevent air leakage at duct joints, ensuring HVAC
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efficiency.
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4. Which gauge sheet metal is thicker?
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a) 20 gauge
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b) 16 gauge
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c) 24 gauge
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d) 28 gauge
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Answer: b) 16 gauge g g g



Rationale: Lower gauge numbers indicate thicker metal; 16 gauge is
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thicker than 20 gauge.
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5. What is the primary hazard when grinding sheet metal?
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a) Noise
b) Slipping
c) Flying sparks and metal fragments
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d) Electrical shock g



Answer: c) Flying sparks and metal fragments
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Rationale: Grinding produces sparks that can cause eye injuries or
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burns; protective gear is essential.
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6. When using a finger brake, the term "bend allowance" refers to:
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a) The extra metal needed for welds
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b) The distance between two bends
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c) The length of metal required to make a bend without altering
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, dimensions
d) Maximum bending capacity g g



Answer: c) The length of metal required to make a bend without
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altering dimensions
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Rationale: Bend allowance accounts for the stretch of metal during
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bending to maintain accurate final dimensions.
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7. What is the safest method to lift a heavy metal sheet manually?
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a) With one person at each end
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b) Using proper lifting techniques with the sheet close to the body
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c) Dragging it across the floor g g g g



d) Lifting with bent back and straight legs
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Answer: b) Using proper lifting techniques with the sheet close to the
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body
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Rationale: Keeping the load close and bending knees reduces strain
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and prevents back injuries.
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8. Which welding process is most common for sheet metal HVAC ducts?
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a) Stick welding (SMAW) g g



b) TIG welding (GTAW)
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c) MIG welding (GMAW)
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d) Oxy-acetylene welding g



Answer: c) MIG welding (GMAW) g g g g



Rationale: MIG welding is fast, produces clean welds, and is well-suited
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for thin sheet metal.
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9. Which fastener is most commonly used for joining sheet metal ducts?
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a) Nails
b) Bolts
c) Screws
d) Staples
Answer: c) Screws g g