Practice Test Geeks(CSS) Certified Safety Supervisor Practice Test
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Fall Protection and Scaffolding Flashcards

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

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  1. What is the maximum load that a scaffold must be capable of supporting, expressed as a multiple of the maximum intended load?

    Answer: 4 times

    OSHA 29 CFR 1926.451(a)(1) requires scaffolds to support their own weight plus at least 4 times the maximum intended load.

  2. Under OSHA standards, when is a guardrail system alone NOT sufficient fall protection on a scaffold?

    Answer: When working on a single-point adjustable scaffold

    Single-point adjustable suspension scaffolds require both a guardrail system and a personal fall arrest system due to greater instability risk.

  3. A CSS is reviewing a fall protection plan that relies on a controlled access zone (CAZ) instead of guardrails for leading edge work. What is the maximum CAZ width measured from the leading edge?

    Answer: 30 feet

    OSHA 29 CFR 1926.502(g) limits controlled access zones to a maximum width of 30 feet from the leading edge.

  4. Which of the following is NOT an accepted method of fall protection for workers on low-slope roofs (slope ≤ 4:12) under OSHA construction standards?

    Answer: Warning line system alone without any other protection

    A warning line system alone does not meet OSHA requirements; it must be combined with a safety monitoring system, PFAS, or guardrail on low-slope roofs.

  5. What is the minimum height of a toeboard required on a scaffold platform under OSHA standards?

    Answer: 4 inches

    OSHA 29 CFR 1926.451(h)(1) requires toeboards on scaffolds to be at least 3½ inches high — commonly noted as 4 inches in many training contexts, but the standard specifies 3½ inches minimum.

  6. A worker falls while wearing a full-body harness and self-retracting lanyard. After rescue, what must happen to the equipment?

    Answer: It must be immediately removed from service and destroyed or returned to the manufacturer

    OSHA requires fall arrest equipment involved in a fall to be removed from service immediately, as internal damage may not be visible.

  7. What is the minimum breaking strength required for cross braces used as guardrails on supported scaffolds when no other top rail is present?

    Answer: 200 lbs applied in any direction

    Under OSHA 29 CFR 1926.451(g)(4), guardrail systems on scaffolds must withstand a force of at least 200 lbs applied in any outward or downward direction.