NCCCO Rigger 1 Study Questions | 100% Correct Answers | Verified | Latest 2024 Version

1. A wire rope that is a 6x19 classification could have how many wires per strand? - 15 through 26 wires per strand 2. How often should a synthetic web sling be inspected? - Each day before use 3. Which considerations should be given to suspend lifting operations with a mobile crane? - Winds in excess of 35 mph 4. What is the term that best describes surface wear on a wire rope sling to rubbing or sliding? - Abrasion 5. Which of the following defects discovered during an inspection would cause for removing a wire rope sling from service? - Ten broken wires in one lay 6. According to OSHA, each day before being used, all rigging hardware and slings shall be inspected for damage or defects by a? - Competent person 7. When the hoist line is not vertical what type of dynamic force is being introduced to the crane? - Side pull 8. What is the term used to describe the ultimate or maximum load that a sling fails at ? - Breaking strength