Module Six - Intro to Basic Rigging

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)

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

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

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

To lift heavy loads, all chain hoists use a(n) ____.

• sprocket set

• anchorage slide

• gear system

• hook retainer

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

Two choker hitches are recommended when lifting a load longer than ____.

• 6 feet (≈2 m)

• 8 feet (≈2.5 m)

• 10 feet (≈3 m)

• 12 feet (≈3.5 m)

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