RIGGING
QUIZ No. 23
|
1.
When using a ________________ hitch, 20 to 25 percent of single leg
capacity is lost. 2.
The most basic hitch is the single leg or _________________ hitch. 3.
A _________________ hitch can have twice the capacity of a single
leg. 4.
When a shackle is used to help form a choker hitch; the pin of the
shackle must be placed into the _______________. 5.
A double wrap choker or basket hitch has excellent grip on a
load because the contact is ________________. 6.
Never use a double basket hitch (single wrap) at a horizontal
sling angle of less than ______________. 7.
Never use a double choker
(double wrap) at a horizontal sling angle of less than
_________________ . 8.
A single leg sling will often provide poor _____________. 9.
A three legged sling will often provide improved load control, but
the capacity of the sling depends on how each leg __________________. 10.
It is possible for only ________________ legs of a four-legged bridle
to carry the full load at times. 11.
A single basket hitch (single wrap) has poor grip on the load
because it has _________________ contact with the load. 12.
Place _________________ under the eye of a choker hitch to avoid
“beating down the eye” and to increase the grip on the load. 13.
___________________ legs of a three-legged bridle will carry the load
if the lengths are close to the same length. 14.
When using synthetic slings, snug the choker before lifting and
slowly take up slack to avoid
_______________. 15.
A wire rope sling used in an inverted basket hitch over a hook can
lose ________________ of its capacity. 16.
The sling connected
_________________ to the center of gravity will carry the greatest
share of the load. |
Answers A.
Choker B.
Basket C.
vertical D.
load control E.
greater than 360 degrees F.
two G.
synthetic sling H.
three I.
eye of sling J.
shares the load K.
four L.
60 degrees M.
45 degrees N.
50 percent O.
block of wood P.
center of gravity Q.
closest R.
90 degrees S.
friction melting T.
less than 360 degrees U.
100 percent |
From: “The Crosby group product
application seminar workbook on hitches”