RIGGING 101 FINAL EXAM
WITH COMPLETE SOLUTIONS
GRADED A+
QUESTIONS AND ANSWERS
Oxygen bottles that are properly secured in a rack or stand designed for lifting/handling
would be considered a critical rigging option.. ANSWER -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?. ANSWER -2,000 lbs
The minimum depth of thread engagement for a 1/2 inch eyebolt into a steel object is:.
ANSWER -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).. ANSWER -1800
What markings are required on hoists?. ANSWER -the manufacturer, model number, rated
load, and re-inspection due date
Which of the following markings are required on lashing?. ANSWER -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.. ANSWER -false
Increasing the sling angle from horizontal _______ the stress in the sling.. ANSWER -
decreases
The area of this triangle with dimensions given in feet is:. ANSWER -24 sqft
, What is the minimum grade of chain required for chain slings?. ANSWER -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.. ANSWER -false
Sling angle stress could contribute to an overload even if the slings selected had enough
capacity to carry the total load weight.. ANSWER -true
Which of the following attachment points can be used at full capacity when pulled at any
angle from vertical?. ANSWER -swivel hoist rings
To find sling angle stress.... ANSWER -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?. ANSWER -the user, pre-use inspection
Detailed written procedures are required for every rigging operation.. ANSWER -false
The rigging operating envelope contains the rigging gear and miscellaneous equipment
covered by P-307 section 14, the load itself and.... ANSWER -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. ANSWER -the chain is tied off or pad locked
What is the efficiency of a knot or bend?. ANSWER -75
Never bend a wire rope around a diameter _______ itself.. ANSWER -smaller than
To whom or to what are the majority of crane and rigging accidents attributed?. ANSWER
-personnel error
What is the name of the knot or hitch shown below? (blue rope). ANSWER -clove hitch
WITH COMPLETE SOLUTIONS
GRADED A+
QUESTIONS AND ANSWERS
Oxygen bottles that are properly secured in a rack or stand designed for lifting/handling
would be considered a critical rigging option.. ANSWER -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?. ANSWER -2,000 lbs
The minimum depth of thread engagement for a 1/2 inch eyebolt into a steel object is:.
ANSWER -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).. ANSWER -1800
What markings are required on hoists?. ANSWER -the manufacturer, model number, rated
load, and re-inspection due date
Which of the following markings are required on lashing?. ANSWER -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.. ANSWER -false
Increasing the sling angle from horizontal _______ the stress in the sling.. ANSWER -
decreases
The area of this triangle with dimensions given in feet is:. ANSWER -24 sqft
, What is the minimum grade of chain required for chain slings?. ANSWER -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.. ANSWER -false
Sling angle stress could contribute to an overload even if the slings selected had enough
capacity to carry the total load weight.. ANSWER -true
Which of the following attachment points can be used at full capacity when pulled at any
angle from vertical?. ANSWER -swivel hoist rings
To find sling angle stress.... ANSWER -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?. ANSWER -the user, pre-use inspection
Detailed written procedures are required for every rigging operation.. ANSWER -false
The rigging operating envelope contains the rigging gear and miscellaneous equipment
covered by P-307 section 14, the load itself and.... ANSWER -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. ANSWER -the chain is tied off or pad locked
What is the efficiency of a knot or bend?. ANSWER -75
Never bend a wire rope around a diameter _______ itself.. ANSWER -smaller than
To whom or to what are the majority of crane and rigging accidents attributed?. ANSWER
-personnel error
What is the name of the knot or hitch shown below? (blue rope). ANSWER -clove hitch
