Advanced Rigging Final Exam (questions and answers)

Advanced Rigging Final Exam (questions and answers) How often should a synthetic web sling be inspected? - CORRECT ANSWER-Each day before use What will the tension be on one leg of a single vertical hitch lifting a load of 5 tons? - CORRECT ANSWER-5 tons Using the Rigging Hardware Tables in your book, what is the capacity of a 7/8 in. carbon shackle? - CORRECT ANSWER-13,000 lbs What is the most important piece of information to have before beginning to rig a load? - CORRECT ANSWER-Weight of the load Which of the following topics is NOT important when selecting slings? - CORRECT ANSWER-Capacity of the crane Using the Rigging Hardware Table in your book, what is the capacity of a 1/2 inch shouldered eyebolt when lifting at a 45 degree angle? - CORRECT ANSWER-550 lbs A non-shouldered eyebolt is primarily designed for lifting in what direction? - CORRECT ANSWER-Vertical What is the term that describes a 'sudden' loading on a sling, when raising or lowering a load which will increase the stress on rigging of the load? - CORRECT ANSWER-Shock loading Using the sling tables in your book, what is the capacity of a 7/8 inch 2-leg wire rope sling that is lifting at a horizontal angle of 60-degrees? - CORRECT ANSWER-26,000 What is the approximate weight of a cubic foot of concrete? - CORRECT ANSWER-150 lbs Which types of hitches are labeled on a synthetic sling? - CORRECT ANSWER-Vertical Hitch, Choker Hitch, Basket Hitch What must be done if a sling is found to have a missing or illegible capacity tag? - CORRECT ANSWER-Remove the sling from service What is the formula that is used to calculate the volume of a box? - CORRECT ANSWER-Length x Width x Height 4 Reasons to remove a synthetic web sling? - CORRECT ANSWER-UV damage, heat damage, ripped/torn, cant read tag One leg of a 4 leg alloy steel chain sling is longer than the other three; this is probably an indication of what type of damage? - CORRECT ANSWER-The leg has been overloaded Who should rig a sling assembly to a load? - CORRECT ANSWER-A trained and qualified rigger What types of hitch/s provide maximum contact (360 degrees) between the sling and load? - CORRECT ANSWER-Two double wrapped basket hitches According to OSHA 1910.184, synthetic or polypropylene slings shall not be used at temperatures in excess of how many degrees? - CORRECT ANSWER-180-200 degrees According to OSHA 1910.184, what type of sling requires that the inspection be documented? - CORRECT ANSWER-Alloy chain slings What is the term that describes the distance that it takes one strand to wrap 360 degrees around the wire rope core? - CORRECT ANSWER-One rope lay A 4,000 lb. load is being hoisted with a two-leg bridle sling at a horizontal sling angle of 30 degrees. What is the tension on each leg? - CORRECT ANSWER-4,000 lbs What piece of rigging hardware should be used to prevent wearing in the eye of wire rope slings? - CORRECT ANSW