Question 1
A 12,000 lb load is lifted with a two-leg bridle sling, each leg at 45° from horizontal. Ignoring sling weight, what is the approximate tension in EACH leg?
Show answer & explanation
Correct answer: A - 8,485 lb
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The Advanced Rigger exam has 100 questions and runs 3 hours.
A 12,000 lb load is lifted with a two-leg bridle sling, each leg at 45° from horizontal. Ignoring sling weight, what is the approximate tension in EACH leg?
Correct answer: A - 8,485 lb
As the angle of a sling leg measured from horizontal decreases from 60° toward 30°, the tension in each leg:
Correct answer: B - Increases, as the horizontal force component grows
A rigger inspects a wire rope sling and counts 6 broken wires randomly distributed across the rope within one rope lay, with no other damage. According to OSHA 1910.184, the sling must be:
Correct answer: C - Kept in service, as it is below the removal threshold
During a pre-shift inspection, a hook shows a throat opening that has widened noticeably. At what point does OSHA require the hook be removed from service?
Correct answer: D - More than 15% of the normal throat opening
A load is rigged with a single sling in a choker hitch. Compared with the same sling used in a vertical hitch, the rated capacity of the choker hitch is approximately:
Correct answer: A - 75% of the vertical rating
A 10,000 lb beam is lifted from two pick points. The center of gravity is located 3 ft from Point A and 9 ft from Point B. What load does Point A carry?
Correct answer: B - 7,500 lb
A rigger must keep two vertical sling legs from applying inward crushing force to the sides of a long, thin-walled vessel. Which below-the-hook device is designed for this purpose?
Correct answer: C - A spreader beam
Under OSHA construction standards, which statement about a 'qualified rigger' is correct?
Correct answer: D - The employer determines qualification from ability or experience
A shouldered eyebolt must be used with the load applied at an angle to the shank rather than in-line. The rigger should:
Correct answer: A - Reduce the allowable load according to the angle of pull
When installing wire rope clips to form an eye termination, the clips must be positioned so that:
Correct answer: B - The U-bolts bear on the dead end and the saddles on the live end
The Advanced Rigger (Advanced Rigger) exam is organized into 4 knowledge domains. These free practice questions are drawn from across them so you can see where you're strong and where to study:
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