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Tools & Equipment Operation Flashcards

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

Read the first 7 Tools & Equipment Operation flashcards as text

  1. Under OSHA 1926 Subpart CC, what is the minimum clearance a crane must keep from energized power lines rated up to 50 kV?

    Answer: 10 feet

    OSHA Table A requires at least 10 feet of clearance for lines up to 50 kV.

  2. On a mobile crane load chart, what happens to rated capacity as the load radius increases?

    Answer: It decreases

    A longer radius increases the overturning moment, so rated capacity drops.

  3. A load chart rating is based on outriggers being fully extended. What should the crew do if the outriggers can only be partly extended?

    Answer: Use the load chart for that specific outrigger position, if the manufacturer provides one

    Capacity must come from the manufacturer's chart for the actual outrigger configuration.

  4. Many contractors' lift plans define a 'critical lift' as one that exceeds what percentage of the crane's rated capacity?

    Answer: 75%

    Lifts above about 75% of rated capacity are commonly treated as critical and require a formal lift plan.

  5. What is the main purpose of tag lines during a crane lift?

    Answer: To control rotation and swing of the load

    Tag lines let workers steer and steady a suspended load while staying out from under it.

  6. Under OSHA crane rules, how often must a competent person visually inspect wire rope in active use?

    Answer: Each shift

    OSHA 1926.1413 requires a visual inspection of wire rope by a competent person every shift.

  7. When does OSHA require a qualified signal person for crane operations?

    Answer: When the operator's view of the load or travel path is obstructed

    A qualified signal person is needed when the operator cannot clearly see the load point or the travel path.

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Sources & references

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  1. aic-builds.org — Test delivery, late registration, test dates, renewal, eligibility, fees, exam format, time limit, exam information · verified Oct 2026