test 2

Question 1

wire rope?

Answer 1

individual wires laid into a number of strands

Question 2

strands?

Answer 2

laid around a center core

Question 3

wire rope constructions

Answer 3

• ordinary
• warrington
• seale
• filler

Question 4

lay length?

Answer 4

measured distantce it take one strand to make a revolution around axis

Question 5

Lang Lay?

Answer 5

wires are laid in same direction

provides greater resistance to abrasion

Question 6

lang lay v regular

Answer 6

Lang
more flexible
not used for slings or single part hoisting lies

regular lay
opposite direction
less flexible
more stable than lang
resist kinking

Question 7

design?

Answer 7

5: 1 hoisting
10: 1 lifting personnel

Question 8

formula

WLL

Answer 8

dia^2 x 8

Question 9

what is BS?

Answer 9

Breaking strength

Question 10

Formula

BS

Answer 10

F.S x W.L.L

Question 11

What is FS

Answer 11

Factor of Safety

Question 12

Formula

FS

Answer 12

BS/WLL

Question 13

maintenance

Answer 13

lubrication
lang rope has both ends secured
I.W.R.C on a drum

Question 14

Single vertical hitch

Answer 14

load support one leg
sling 90
WLL Dia^2 x8

Question 15

sling angels

Answer 15

45 ideal

30 critical

Question 16

WLL for 3 or 4 leg bridle sling

Answer 16

svh WLL H/Ls= WLL of hitch

Question 17

Cosby clips

Answer 17

Never saddle a dead horse

Question 18

spelter sockets

Answer 18

to attach wire to fitting

Question 19

sholderless

Answer 19

angular loading will reduce WLL,

Question 20

shoulder types

Answer 20

Must be in full contact

Question 21

thimbles

Answer 21

used to protect eye hole

Question 22

spreader equalizer beams

Answer 22

prevents crushing
for long loads/unbalanced
eliminates bad angles

Question 23

snatch blocks

Answer 23

used to change direction of pull on line

wire and fiber rope

Question 24

formula for

part of lines

Answer 24

pol= load to be lifted/wll

Question 25

lead line load

formula

Answer 25

load/lines

Question 26

formula for

load structure

Answer 26

load+lead line load

Question 27

chain

inspection what to look for?

Answer 27

bends twists stretched and damage

Question 28

back splice

Answer 28

stops from fraying

but takes longer

Question 29

when properly installing wire rope what is its efficiency

Answer 29

80% of working load

Question 30

safety requirements for rigging?

Answer 30

safety hitch installed

Question 31

chain grade

Answer 31

AAA, 8, 80, 800