RIGGING 101 FINAL EXAM | QUESTIONS AND ANSWERS | BRANDNEW | 100% VERIFIED
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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
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