Advance Rigger Test
What is meant by the term "two blocking"?
a. Placing blocks under the outrigger beams. b. The load block contacts the boom point sheaves. c. Stacking loads on top of one another. d. The load strikes the boom while swinging. - answer-b. The load block
contacts the boom point s...
Advance Rigger Test
What is meant by the term "two blocking"?
a. Placing blocks under the outrigger beams.
b. The load block contacts the boom point sheaves.
c. Stacking loads on top of one another.
d. The load strikes the boom while swinging. - answer-b. The load block
contacts the boom point sheaves.
Lifting 20,000 lbs with a 2-leg bridle sling at a 30° horizontal sling angle,
what is the force applied to each leg?
a. 10,000 pounds
b. 20,000 pounds
c. 30,000 pounds
d. 40,000 pounds - answer-b. 20,000 pounds
In multiple crane lifts using an equalizer beam, the weight of the beam
should be considered:
a. Part of the crane boom
b. Part of the load weight
c. Part of the crane weight
d. A non-factor - answer-b. Part of the load weight
What is required if there is a deviation from the lift plan?
a. The supervisor's permission
b. The rigger's permission
c. A new lift plan
d. Mark ups on the existing lift plan - answer-c. A new lift plan
On level ground using skids and rollers, what percent of the weight of
the load should yield the required line pull as a general rule of thumb?
a. 2%
b. 5%
c. 10%
d. 20% - answer-b. 5%
All of the following are results of unbalanced reeving of the hook block
EXCEPT:
a. Wear on the sheaves
b. Torque on the boom
, c. Wear on the hook
d. Wear on the wire rope - answer-c. Wear on the hook
Before a spreader bar or beams can be used they MUST have been:
i i i i i i i i i i i i
a. Repainted
i
b. Used before
i i
c. Tested and approved
i i i
d. Upgraded from the previous job - answer-c. Tested and approved
i i i i i i i i i i
When materials are being hoisted to an upper level, a tag line is used to:
i i i i i i i i i i i i i i
a. Help raise the load
i i i i
b. Help control the load
i i i i
c. Stop the process
i i i
d. Stop material from falling - answer-b. Help control the load
i i i i i i i i i i
Two cranes are lifting 100 tons. If crane A has 40% of the load, how much
i i i i i i i i i i i i i i i
weight will crane B have on its hook?
i i i i i i i i
a. 60,000 lbs
i i
b. 80,000 lbs
i i
c. 120,000 lbs
i i
d. 240,000 lbs - answer-a. 60,000 lbs
i i i i i i
To CONFIRM the rated capacity of a specific sling, consult the
i i i i i i i i i i
manufacturer's:
i
a. Sling chart
i i
b. Website
i
c. Sling tag
i i
d. Catalog - answer-c. Sling tag
i i i i i
OSHA regulations require hook replacement if the opening exceeds what
i i i i i i i i i
percentage of its original throat opening?
i i i i i i
a. 10%
i
b. 15% i
c. 18%
i
d. 20% - answer-b. 15%
i i i i
At what percentage of increase in length should a chain sling be removed
i i i i i i i i i i i i
from service?
i i
a. 2%
i
b. 3% i
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller angelinas. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
