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OSHA 10-Hour Construction Outreach (knowledge check)

Focus Four: Struck-by: practice questions

Our OSHA 10 Construction bank has 30 questions on this topic. Here are 5 of them with answers; the full mock exam draws from every topic, like the real one.

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Question 1

When must hard hats be worn on construction sites?

  1. Where there is a possible danger of head injury from impact, falling or flying objects, or electrical shock and burns
  2. Only when it rains
  3. Only on sites with cranes or other overhead lifting equipment
  4. Only when OSHA is on site
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A. Where there is a possible danger of head injury from impact, falling or flying objects, or electrical shock and burns — 1926.100(a) requires protective helmets wherever there is a possible danger of head injury from impact, falling or flying objects, or shock and burns.

Question 2

When a crane is lifting near workers, who is responsible for using standard hand signals?

  1. Any worker in sight of the crane
  2. The truck driver delivering the load, since they know its weight and shape best
  3. A qualified signal person, when the operator's view is blocked or for safety
  4. The site owner
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C. A qualified signal person, when the operator's view is blocked or for safety — Under subpart CC, signal persons must be qualified, and a signal person is required when the point of operation is not in full view of the operator.

Question 3

What should be used to control a swinging load that is being lifted by a crane?

  1. Your hands on the load
  2. The crane hook
  3. A tag line
  4. Your foot
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C. A tag line — Tag lines let workers control a load from a distance instead of being next to or under it.

Question 4

Vehicles used to carry workers on a jobsite must have:

  1. A trailer hitch for extra riders
  2. Seats firmly secured and enough for the number of workers carried
  3. A flatbed with no sides
  4. Room for workers to stand on the steps
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B. Seats firmly secured and enough for the number of workers carried — Vehicles used to transport employees shall have seats firmly secured and adequate for the number of employees carried; riding on steps or loads risks being thrown and struck.

Question 5

Which is a falling-object hazard?

  1. A trench wall collapsing
  2. A grinder wheel spinning
  3. Tools left on a scaffold platform without toeboards
  4. A pickup truck backing up
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C. Tools left on a scaffold platform without toeboards — Objects on elevated surfaces without toeboards or screens can fall and strike workers below.

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