Learning Objective:
Recognize
the principles and components of
slings.
10-31.
In the NCF, at what location are
the 80104, 84003, and 84004 kits
maintained?
1.
Collateral equipage
2.
Central toolroom
3.
Mechanic shop
4.
Rigging loft
10-32.
The bridle hitch provides
excellent load stability when
which of the following conditions
exists?
1.
The load is distributed
equally among each sling leg
2.
The load hook is directly over
the center of gravity of the
load
3.
The load is raised level
4.
All of the above
10-33.
With a four-legged bridle sling
lifting a rigid load, it is
possible for two of the sling legs
to support practically the full
load while the other two legs only
balance it.
1.
True
2.
False
10-34.
What degree sling angle is con-
sidered extremely hazardous and
must be avoided?
1.
55°
2.
50°
3.
45°
4.
30°
10-35.
A three- or fourleg hitch can
safely lift a load equal to the
safe load on one leg multiplied
by the number of legs.
10-36.
The 80092 kit contains the tools
and equipment necessary to
fabricate a wire rope with a
diameter that ranges from 3/8 inch
to what maximum size?
1.
5/8 inch
2.
3/4 inch
3.
7/8 inch
4.
15/16 inch
1037.
What factors about a wire rope
sling must you know in order to
use the rated capacity charts that
are enclosed in the COMSECOND/
COMTHIRDNCBINST 11200.11?
1.
Diameter
2.
Type core
3.
Type grade
4.
All of the above
Learning Objective:
Recognize
the principles of mechanical
advantage.
10-38.
What term is used to describe an
assembly of blocks and lines used
to gain a mechanical advantage in
lifting and pulling?
1.
Two blocked
2.
Tackle
3.
Overhaul
4.
Breech
10-39.
With fiber line, the length of the
block used should be approximately
what size compared to the line?
1.
Three times the circumference
of the line
2.
Four times the circumference
of the line
3.
Five times the circumference
of the line
4.
Six times the circumference
of the line
1.
True
2.
False
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