Rigging (110101e)

Question 1

What is the recommended angle for slings?

Answer 1

60 degrees

Question 2

What are chain hoist also know as?

Answer 2

Chain falls

Question 3

What are tow categories of fiber ropes?

Answer 3

Twisted(or laid) and braided

Question 4

What are the two most common fiber ropes used?

Answer 4

Nylon and polypropylene

Question 5

How much stronger are nylon ropes compared to natural fiber ropes?

Answer 5

2.5 times out of

Question 6

What is the most popular type of rope available?

Answer 6

Polypropylene

Question 7

What is the safety factor of a brand new rope and of an old one?

Answer 7

5:1 for the new
10:1 for the old

Question 8

What does a knot in rope do to the strength?

Answer 8

Reduces it by 50%

Question 9

What does a splice in a rope do ?

Answer 9

Reduces it 20%

Question 10

Name some knot types

Answer 10

Bowline knot
Sheep shank
Figure 8 knot
Sheet bend

Question 11

How are wire rope slings made?

Answer 11

They are made from one piece that is looped and twisted together with a thimble on the end

Question 12

What does shock loading mean?

Answer 12

this is when the load is dropped and caught by the rigging or when there is an uncalled-for strain on the load.

Question 13

How is mechanical advantage calculated with block and tackle?

Answer 13

by counting the ropes between is the mechanical advantage

Question 13

What increases mobile cranes’ stability?

Answer 13

Outriggers

Question 13

when is a crane at its full potential for lifting?

Answer 13

When its near and vertical

Question 13

what is a major advantage of helicopter lifts?

Answer 13

The speed at witch a job can be done
downside is the cost

Question 13

when does OH&S require you to check rigging?

Answer 13

Before every shift

Question 14

when must wire ropes be replaced?

Answer 14

When they are kinked or they have 1/3 of the original diameter worn away

Question 14

what are the two main types of cranes?

Answer 14

Tower cranes
Mobile cranes

Question 14

What is the hand signal for stop?

Answer 14

one arm is waved back and forth perpendicular to the body

Question 15

What is the hand signal for emergency stop?

Answer 15

both arms waved straight out

Question 16

what is the hand signal for Dog everything?

Answer 16

lock hands by the thumbs and in front of your lap

Question 17

what is the hand signal for hoist load up?

Answer 17

up and circular motion pointing

Question 18

what is the hand signal for lowering the load?

Answer 18

point down and circular motion

Question 19

what is the hand signal for boom up?

Answer 19

one arm thumbs up

Question 20

what is the hand signal for boom down?

Answer 20

one arm thumbs down

Question 21

what is the hand signal for swinging?

Answer 21

point straight arm in the direction

Question 22

what is the hand signal’s major difference from moving to moving slowly?

Answer 22

having a hand blocking the action

Question 23

what is the hand signal to shorten the boom?

Answer 23

both hands inward pointing with thumbs

Question 24

what is the hand signal for extending the boom?

Answer 24

Both hands pointing with thumbs outward.

Question 25

how is a fist grip clip different form a wire rope clip?

Answer 25

the wire rope clip has two identical parts

Question 26

how is the lifting capacity identified on synthetic fiber round sling?

Answer 26

by color-coded non loadbearing cover placed over the sling

Question 27

When are shoulder less i boils used?

Answer 27

when preforming a vertical lift

Question 28

what type of chain hoist is best for horizontal pulls?

Answer 28

Come along