RIGGING 101 FINAL EXAM | QUESTIONS AND ANSWERS | BRANDNEW | 100% VERIFIED
1 view 0 purchase
Course
Rigging 101
Institution
Rigging 101
RIGGING 101 FINAL EXAM | QUESTIONS AND ANSWERS | BRANDNEW | 100% VERIFIED
Oxygen bottles that are properly secured in a rack or stand designed for lifting/handling would be considered a critical rigging option. - false
There are three slings hanging from a hook. Each sling has the capa...
RIGGING 101 FINAL EXAM | QUESTIONS AND ANSWERS |
BRANDNEW | 100% VERIFIED
Oxygen bottles that are properly secured in a rack or stand designed for lifting/handling
would be considered a critical rigging option. - false
There are three slings hanging from a hook. Each sling has the capacity of 2,000
pounds. What is the heaviest load that could be lifted using these slings if they were
attached to a single point? - 2,000 lbs
The minimum depth of thread engagement for a 1/2 inch eyebolt into a steel object is: -
3/4"
Given a 1/2 in steel walled empty cylindrical tank that is opened at one end, calculate its
weight (round answer to the nearest hundred). - 1800
What markings are required on hoists? - the manufacturer, model number, rated load,
and re-inspection due date
Which of the following markings are required on lashing? - the reinspect due date,
rated load
A motor that weighs over 80 of the capacity of the rigging gear used in the rigging
operation is considered a critical rigging operation is considered a critical rigging
operation. - false
Increasing the sling angle from horizontal _______ the stress in the sling. - decreases
The area of this triangle with dimensions given in feet is: - 24 sqft
What is the minimum grade of chain required for chain slings? - grade 80
Two people should be used to pull the hand chain of a manual chain hoist when it gets
too hard for on person to pull. - false
Sling angle stress could contribute to an overload even if the slings selected had
enough capacity to carry the total load weight. - true
Which of the following attachment points can be used at full capacity when pulled at any
angle from vertical? - swivel hoist rings
, To find sling angle stress... - multiply the weight in the attachment point with the angle
factor
Who is required to perfom an inspection prior to using rigging gear, and what is this
inspection called? - the user, pre-use inspection
Detailed written procedures are required for every rigging operation. - false
The rigging operating envelope contains the rigging gear and miscellaneous equipment
covered by P-307 section 14, the load itself and... - the load rigging path, the gear or
equipment's supporting structure
When a load is left suspended unattended from a chain hoist it must be secured. How is
the chain hoist secured - the chain is tied off or pad locked
What is the efficiency of a knot or bend? - 75
Never bend a wire rope around a diameter _______ itself. - smaller than
To whom or to what are the majority of crane and rigging accidents attributed? -
personnel error
What is the name of the knot or hitch shown below? (blue rope) - clove hitch
a straight-line hitch is good for _____ of a sling rated load? - 100%
What must be used to tighten a swivel hoist ring to the manufacturer's requirements? -
a torque wrench
Attachment point #1 is 6 feet from the center of gravity (CG) and attachment point #2 is
3 feet from the center of gravity (CG). There is a 10,000 lbs load attached. What is the
correct equation to find the weight distribution for attachment point #1? - 3 divided by 9
multiplied by 10,000 ( x 10,000)
It is ok to tie a know in or install a bolt into a chain sling leg to shorten the sling. - false
When rigging gear covered by p-307 section 14 fails while suspended from a structure
and drops the load it is a: - rigging accident
Why must hoisting be stopped once the load is completely off the ground? - to
determine sling angle stress
Distorted or twisted rigging hardware must be: - removed from service
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 Mboffin. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.