M7 NCCER Intro to Basic Rigging

What is a type of hand-operated winching device that should NEVER be used for vertical overhead lifting?

• block and tackle

• come-along

• chain hoist

• ratchet lever hoist

What is true about synthetic slings?

• cause the load to twist more than chain slings

• flexible and mold themselves to the load

• can be used in temperatures over 180 degrees F (82 degrees C)

• easily corrode

What is the MAXIMUM temperature most alloy steel chain slings can be used?

• 180° F

• 300° F

• 400° F

• 500° F

If a wire rope sling appears to be damaged, who makes the decision to keep it in service?

• competent person

• district manager

• crane operator

• site supervisor

Two choker hitches are recommended when lifting a load longer than how many feet?

• 6'

• 8'

• 10'

• 12'

What are the rigging devices used to move loads such as steel plates without the use of slings?

• synthetic shackles

• lifting clamps

• birdcages

• rigging hooks

Why would an alloy steel chain be removed from service?

• missing identification tag

• the sides of the links are straight

• rust-free surfaces

• damage from cool temperatures

What do all chain hoists use to lift heavy loads?

• gear system

• sprocket set

• hook retainer

• anchorage slide

Which type of hitch consist of two or more vertical hitches attached to the same hook, and allows the slings to be connected to the same load without the use of a spreader beam?

• basket

• bridle

• block and tackle

• double-leg chain

What is the MAXIMUM load weight that a sling is designed to carry?

• carry weight

• top weight

• load capacity

• rated capacity