NCCCO RIGGER #1 EXAM
QUESTIONS & ANSWERS
As a general rule, the smaller the D:d ratio applied to a wire rope sling's body, -
ANSWER -the more the slings capacity is reduced
When the distance between sling attachments and sling length are the same, then what
is the sling angle? - ANSWER -60 degrees
The distance between sling attachment points, multiplied by .75 will result in the
approximate sling length for a _____sling angle - ANSWER -45 degree
Shackles WLL up through 4" must be what safety factor? - ANSWER -5:1
Over 4 inches safety factor is what? - ANSWER -4:1
what can slings be safely connected to each other with? - ANSWER -shackles
the eye of a wire rope sling should not be placed on a hook or pin that is larger than
what? - ANSWER -1/2 the slings eye length
what is required to be on a new wire clip saddle? - ANSWER -manufacturer, trademark,
and size
What is the max included angle for a shackle? - ANSWER -120 Degrees
Wire rope clips and wedge sockets shall be designed to have a minimum connection
efficiency of? - ANSWER -80 %
The center of gravity location of a load may _________of the load - ANSWER -Not be
located on the actual physical body
A sling that is rigged at 30 degrees to the load will be subjected to an increase sling
tension of? - ANSWER -200 %
Using a wire rope sling in a choker hitch configuration, the capacity will be how much
less than a straight line hitch? - ANSWER -25 %
The capacity of the vertical basket hitch is generally considered to be blank percent of
the straight line vertical hitch capacity? - ANSWER -200 %
in the D:d ratio the uppercase D stands for what? - ANSWER -Diameter of the object
the sling will pass around
QUESTIONS & ANSWERS
As a general rule, the smaller the D:d ratio applied to a wire rope sling's body, -
ANSWER -the more the slings capacity is reduced
When the distance between sling attachments and sling length are the same, then what
is the sling angle? - ANSWER -60 degrees
The distance between sling attachment points, multiplied by .75 will result in the
approximate sling length for a _____sling angle - ANSWER -45 degree
Shackles WLL up through 4" must be what safety factor? - ANSWER -5:1
Over 4 inches safety factor is what? - ANSWER -4:1
what can slings be safely connected to each other with? - ANSWER -shackles
the eye of a wire rope sling should not be placed on a hook or pin that is larger than
what? - ANSWER -1/2 the slings eye length
what is required to be on a new wire clip saddle? - ANSWER -manufacturer, trademark,
and size
What is the max included angle for a shackle? - ANSWER -120 Degrees
Wire rope clips and wedge sockets shall be designed to have a minimum connection
efficiency of? - ANSWER -80 %
The center of gravity location of a load may _________of the load - ANSWER -Not be
located on the actual physical body
A sling that is rigged at 30 degrees to the load will be subjected to an increase sling
tension of? - ANSWER -200 %
Using a wire rope sling in a choker hitch configuration, the capacity will be how much
less than a straight line hitch? - ANSWER -25 %
The capacity of the vertical basket hitch is generally considered to be blank percent of
the straight line vertical hitch capacity? - ANSWER -200 %
in the D:d ratio the uppercase D stands for what? - ANSWER -Diameter of the object
the sling will pass around
