NLC rigging test 2 UPDATED ACTUAL QUESTIONS AND
CORRECT Answers
What is the "design factor" of rope? 5
What does the term "plow" stand for? Refers to the tensile strength category for steel wire rope.
What are the 3 basic grades for wire rope? Mild plow, improved plow and plow
What natural rope is subject to "rot" and therefore is only Manilla rope
used for certain application?
What is the effeciency ratings of a running bowline or any 50%
other knot with a choke?
What are the three most common types of rope a Natural fiber, synthetic fiber and wire rope
lineman encounters?
What is efficiency rating of an Eye splice? 95%
What is the formula for working load limit? CBS/design factor
Short splices are required to have how many full tucks? 8, four on each side of the centerline.
Eye splices have an efficiency rating of what? 95%
OSHA requires eye splices to have a minimum of how 4
many tucks when finishing the splice?
Power fiber between strands usually indicates UV or Synthetic fiber rope
ozone damage on what type of rope?
What is the effeciency rating of a bowline knot? 65%
What is the effeciency percentage of a short splice? 90%
What is the efficiency rating of a square knot? 60%
Back splices keep the strands from fraying and are not True
subject to loading? T/F
CORRECT Answers
What is the "design factor" of rope? 5
What does the term "plow" stand for? Refers to the tensile strength category for steel wire rope.
What are the 3 basic grades for wire rope? Mild plow, improved plow and plow
What natural rope is subject to "rot" and therefore is only Manilla rope
used for certain application?
What is the effeciency ratings of a running bowline or any 50%
other knot with a choke?
What are the three most common types of rope a Natural fiber, synthetic fiber and wire rope
lineman encounters?
What is efficiency rating of an Eye splice? 95%
What is the formula for working load limit? CBS/design factor
Short splices are required to have how many full tucks? 8, four on each side of the centerline.
Eye splices have an efficiency rating of what? 95%
OSHA requires eye splices to have a minimum of how 4
many tucks when finishing the splice?
Power fiber between strands usually indicates UV or Synthetic fiber rope
ozone damage on what type of rope?
What is the effeciency rating of a bowline knot? 65%
What is the effeciency percentage of a short splice? 90%
What is the efficiency rating of a square knot? 60%
Back splices keep the strands from fraying and are not True
subject to loading? T/F
