NCCER : Basic Rigging

If the identification tag on a synthetic sling is missing or illegible, the sling must be___

• removed from service immediately

• The maximum load weight that a sling is designed to carry

• The main connection fitting for chain slings

• the total amount of what is being lifted, including all slings, hitches, and hardware

When a tattle-tail has been pulled into the jacket of a synthetic sling, the sling most likely has been _____

• Chemically changed

• overheated

• overloaded

• crushed

The maximum load weight that a sling is designed to carry is the ____

• Top weight

• carry weight

• rated capacity

• load capacity

If a wire rope sling appears to be damaged, the decision to keep it in service must be made by a _____

• site supervisor

• district manager

• competent person

• crane operator

A type of hand-operated winching device that should never be used for vertical overhead lifting is a ____

• Chain Hoist

• Come-Along

• block and tackle

• ratchet lever hoist

Most alloy steel chain slings can be used in temperatures up to ___

• 200 F(93 C)

• 300 F(149 C)

• 400 F(204 C)

• 500 F ( 260 c)

Which style of hook is designed to be on alloy steel chain slings?

• Grab hook

• Eye hook

• Sliding hook

• Short Hook

Two choker hitches are recommended when lifting a load larger than ___

• 6ft

• 8ft

• 10ft

• 12ft

If an emergency occurs during a rigging operation, who is allowed to give the emergency stop hand signal?

• Only another crane operator in the vicinity

• only a designated signal person

• Only a qualified rigger who has completed signal training

• Anyone on the ground who is in site of the crane operator

Because of the need for increased toughness, shackles for most overheated lifting are made from

• cast steel

• forged steel

• drop iron

• tempered aluminum