Practice Test Geeks(STSC) Safety Trained Supervisor Construction Practice Test
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Tool and Equipment Safety Flashcards

7 cards from real STSC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Tool and Equipment Safety flashcards as text

  1. What is the most important step a worker must take before operating any power tool on a construction site?

    Answer: Inspect the tool for damage and defects

    OSHA requires workers to inspect tools before each use to identify defects that could cause injury before work begins.

  2. When is it appropriate to use a cracked or damaged hand tool on a construction site?

    Answer: Never — it must be removed from service immediately

    Damaged tools must be immediately removed from service and either repaired or replaced to prevent injury to the user or others.

  3. What is the primary purpose of blade guards on circular saws?

    Answer: To prevent blade contact and contain sparks and debris

    Blade guards prevent accidental contact with the rotating blade and help contain flying debris and sparks that could injure workers.

  4. Under OSHA 29 CFR 1926, which subpart specifically governs hand and power tools used in construction?

    Answer: Subpart I

    OSHA 29 CFR 1926 Subpart I specifically addresses tools — hand and power tools and other hand-held equipment — in construction settings.

  5. What does 'double insulation' on an electric power tool indicate?

    Answer: The tool has two separate insulation systems so a separate ground is not required

    Double-insulated tools contain two separate insulation barriers between live parts and the user, making a grounding wire unnecessary for safe operation.

  6. What is the maximum allowable gap between the work rest and the abrasive wheel on a bench grinder?

    Answer: 1/8 inch (3 mm)

    OSHA requires the work rest on bench grinders to be adjusted to within 1/8 inch of the wheel to prevent the workpiece from being caught between the rest and wheel.

  7. What should a worker do if a power tool begins to vibrate abnormally or malfunction during use?

    Answer: Stop using the tool immediately and report it for inspection

    Abnormal vibration or malfunction signals a potential defect; the tool must be stopped and removed from service for inspection to prevent injury.