Rigging 101 Final Exam (Advanced questions and answers)

Rigging 101 Final Exam (Advanced 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. - 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 ANSWERgrade 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