If an emergency occurs during a rigging operation, who is allowed to give the emergency stop hand signal? a. Only another crane operator in the vicinity. b. Only a designated signal person. c. Only a qualified rigger who has completed signa

The maximum load weight that a sling is designed to carry is the _____. a. top weight b. carry weight c. rated capacity d. load capacity

Most alloy steel chain slings can be used in temperatures up to _____. a. 200°F (93°C) b. 300°F (149°C) c. 400°F (204°C) d. 500°F (260°C)

Two choker hitches are recommended when lifting a load longer than _____. a. 6 feet (≈2 m) b. 8 feet (≈2.5 m) c. 10 feet (≈3 m) d. 12 feet (≈3.5 m)

Which style of hook is designed to be used on alloy steel chain slings? a. Grab hook b. Eye hook c. Sliding hook d. Short hook

Because of the need for increased toughness, shackles for most overhead lifting are made from _____. a. cast steel b. forged steel c. drop iron d. tempered aluminum

To lift heavy loads, all chain hoists use a(n) _____. a. sprocket set b. anchorage slide c. gear system d. hook retainer

A type of hand-operated winching device that should never be used for vertical overhead lifting is a _____. a. chain hoist b. come-along c. block and tackle d. ratchet lever hoist

When a tattle-tail has been pulled into the jacket of a synthetic sling, the sling most likely has been _____. a. chemically damaged b. overheated c. overloaded d. crushed

If a wire rope sling appears to be damaged, the decision to keep it in service must be made by a _____. a. site supervisor b. district manager c. competent person d. crane operator