Module 6

Question 1

Slings are usually made up of what three types of material ?

Answer 1

Synthetic materials, alloy steel chains, and wire rope

Question 2

What are all slings required to have ?

Answer 2

Identification tags

Question 3

What does the identification tag include ?

Answer 3

The manufacturers name or trademark, and the rated capacity for the type of hitch used with that sling

Question 4

What is the maximum load Weight that a sling is designed to carry ?

Answer 4

Rated capacity

Question 5

True or false the rated capacity must never be exceeded

Answer 5

True

Question 6

What must you do with any sling without an identification tag ?

Answer 6

Remove from service immediately

Question 7

What sling should you use for easily damaged loads ?

Answer 7

Synthetic slings

Question 8

What does it mean when red core yarns are exposed in synthetic slings ?

Answer 8

The sling has suffered to much wear or damage

Question 9

When the tattle tail becomes exposed what does this mean ?

Answer 9

It means the sling has been stretched beyond a safe limit

Question 10

Which sling is used for high heat and rugged conditions ?

Answer 10

Chain slings

Question 11

Chain slings for overhead lifting must be made of what ?

Answer 11

Alloy steel

Question 12

What temperatures can alloy steel chains be used up to ?

Answer 12

500 F (260 C)

Question 13

What slings are made of high strength steel wires formed into strands wrapped around a supporting core ?

Answer 13

Wire rope slings

Question 14

What wire rope slings may be damaged at relatively low temperatures ?

Answer 14

Fiber core wire ropes

Question 15

If any sling seems to have sustained damage, what must you do ?

Answer 15

Remove from service

Question 16

What must you do if an alloy steel chain is evident of having links replaced ?

Answer 16

Remove from service

Question 17

What is an item of rigging hardware used to attach an item to a load or to couple slings together ?

Answer 17

A shackle

Question 18

Shackles made for overhead lifting should be made of what ?

Answer 18

Forged steel

Question 19

What is the size of the shackle determined by ?

Answer 19

The diameter of the shackles body

Question 20

How must the load be positioned on a shackle ?

Answer 20

The load must be properly balanced on the shackle

Question 21

Shackles must be inspected by riggers how often ?

Answer 21

Before every use

Question 22

Eye bolts should be made of what ?

Answer 22

Drop or hammer forged steel

Question 23

What should you use to move loads such as steel plates, sheet piles, large pipe, or concrete panels without the use of a sling ?

Answer 23

Lifting clamps

Question 24

How often must lifting clamps be inspected by riggers ?

Answer 24

Before each use

Question 25

What is a rigging hook for ?

Answer 25

To attach a sling to a load

Question 26

What hooks are used on steel chain slings ?

Answer 26

Grab hooks

Question 27

What uses pulleys or gears to provide a mechanical advantage for lifting a load ?

Answer 27

Hoists

Question 28

How do all chain systems lift heavy loads ?

Answer 28

With gear systems

Question 29

True or false lube gears periodically to keep wheels from freezing

Answer 29

True

Question 30

What do you never use for vertical overhead lifting ?

Answer 30

Come alongs

Question 31

What are the three hitch types ?

Answer 31

Vertical, basket, and choker

Question 32

What do you use to prevent the load from rotating while being lifted by a hitch ?

Answer 32

A tag line

Question 33

What hitch is used when a load has no attachment points or when the attachment points are not practical for lifting ?

Answer 33

Choker hitch

Question 34

Why should you not use a choker hitch for loose bundled materials ?

Answer 34

Because the choker hitch does not grip the load tightly

Question 35

What do you do when the load is more than 12 feet long ?

Answer 35

Use two choker hitches spread far enough to provide stability

Question 36

To lift loose items with a choker hitch, what do you do ?

Answer 36

Double wrap the choker hitch

Question 37

Lifting a load longer than 12 feet requires what ?

Answer 37

Two double wrapped choker hitches

Question 38

How is the emergency stop signal made ?

Answer 38

By extending both arms horizontally with palms down then quickly moving arms back and forth repeatedly extending and retracting them

Question 39

Who can give the emergency stop signal to a crane operator ?

Answer 39

Anyone on the ground that is within sight of the crane operator