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CTSP Struck-By and Falling Object Hazards Flashcards

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

Read the first 7 CTSP Struck-By and Falling Object Hazards flashcards as text

  1. When rigging a large limb for removal, which rigging point placement best reduces the risk of the limb swinging back and striking workers?

    Answer: Attach the rigging above the limb's center of gravity

    Rigging above the limb's center of gravity keeps the load balanced and prevents uncontrolled swinging that could strike workers.

  2. A climber is working in a tree near a road. Which measure is MOST effective in protecting passing motorists from struck-by hazards?

    Answer: Posting a flagger and using proper traffic control devices

    ANSI Z133 requires proper traffic control including flaggers and devices that meet MUTCD standards when working near roadways.

  3. What is the primary purpose of establishing a 'drop zone' during aerial tree work?

    Answer: To designate a controlled area where cut material will land, keeping it clear of personnel

    A drop zone is a predetermined, clearly communicated, and personnel-free area where cut material is directed to land safely.

  4. Which factor most significantly increases the danger of a struck-by injury from a thrown chain during chainsaw kickback?

    Answer: Operating the saw above shoulder height

    Operating a chainsaw above shoulder height places the kickback zone closer to the operator's face and increases the severity of any chain contact.

  5. During a tree removal in a confined space, a co-worker is struck by a small piece of wood ejected from the chipper. What does this incident MOST likely indicate?

    Answer: The operator fed material into the chipper while a co-worker was within the danger zone

    Chipper struck-by incidents most commonly occur when personnel enter the infeed danger zone or when material is fed while others are nearby.

  6. A tree crew is felling a tree near a structure. Which practice BEST protects against struck-by injury from an unpredictable tree fall?

    Answer: Establishing a clear retreat path at 45 degrees to the rear of the intended felling direction

    ANSI Z133 specifies retreating at a 45-degree angle to the rear of the intended felling direction to avoid kickback and butt-jump hazards.

  7. What is the recommended minimum distance a bystander should be kept from a tree being removed to protect against struck-by hazards?

    Answer: Two times the height of the tree

    ANSI Z133 recommends a minimum exclusion zone of at least two times the height of the tree to account for unpredictable fall patterns.