Rigging 101 Final Exam 2023/2024
Questions with Complete Solutions
Graded A+
Oxygen bottles that are properly secured in a rack or stand designed for lifting/handling would be considered a critical rigging option. - Correct 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? - Correct Answer 2,000 lbs
The minimum depth of thread engagement for a 1/2 inch eyebolt into a steel object is: - Correct 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). - Correct Answer 1800
What markings are required on hoists? - Correct Answer the manufacturer, model number, rated load, and re-inspection due date
Which of the following markings are required on lashing? - Correct 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. - Correct Answer false
Increasing the sling angle from horizontal _______ the stress in the sling. - Correct Answer decreases
The area of this triangle with dimensions given in feet is: - Correct Answer 24 sqft
What is the minimum grade of chain required for chain slings? - Correct 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. - Correct Answer false
Sling angle stress could contribute to an overload even if the slings selected had enough capacity to carry the total load weight. - Correct Answer true
Which of the following attachment points can be used at full capacity when pulled at any angle from vertical? - Correct Answer swivel hoist rings
To find sling angle stress... - Correct 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? - Correct Answer the user, pre-use inspection
Detailed written procedures are required for every rigging operation. - Correct Answer false
The rigging operating envelope contains the rigging gear and miscellaneous equipment covered by P-307
section 14, the load itself and... - Correct 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 - Correct Answer the chain is tied off or pad locked
What is the efficiency of a knot or bend? - Correct Answer 75
Never bend a wire rope around a diameter _______ itself. - Correct Answer smaller than
To whom or to what are the majority of crane and rigging accidents attributed? - Correct Answer personnel error
What is the name of the knot or hitch shown below? (blue rope) - Correct Answer clove hitch
Questions with Complete Solutions
Graded A+
Oxygen bottles that are properly secured in a rack or stand designed for lifting/handling would be considered a critical rigging option. - Correct 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? - Correct Answer 2,000 lbs
The minimum depth of thread engagement for a 1/2 inch eyebolt into a steel object is: - Correct 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). - Correct Answer 1800
What markings are required on hoists? - Correct Answer the manufacturer, model number, rated load, and re-inspection due date
Which of the following markings are required on lashing? - Correct 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. - Correct Answer false
Increasing the sling angle from horizontal _______ the stress in the sling. - Correct Answer decreases
The area of this triangle with dimensions given in feet is: - Correct Answer 24 sqft
What is the minimum grade of chain required for chain slings? - Correct 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. - Correct Answer false
Sling angle stress could contribute to an overload even if the slings selected had enough capacity to carry the total load weight. - Correct Answer true
Which of the following attachment points can be used at full capacity when pulled at any angle from vertical? - Correct Answer swivel hoist rings
To find sling angle stress... - Correct 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? - Correct Answer the user, pre-use inspection
Detailed written procedures are required for every rigging operation. - Correct Answer false
The rigging operating envelope contains the rigging gear and miscellaneous equipment covered by P-307
section 14, the load itself and... - Correct 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 - Correct Answer the chain is tied off or pad locked
What is the efficiency of a knot or bend? - Correct Answer 75
Never bend a wire rope around a diameter _______ itself. - Correct Answer smaller than
To whom or to what are the majority of crane and rigging accidents attributed? - Correct Answer personnel error
What is the name of the knot or hitch shown below? (blue rope) - Correct Answer clove hitch
