IPT Rigging Exam Questions And 100% Correct Answers
Strongest rope available - Answer Nylon
Why will Manila rope fail under static load? - Answer Because the fibers dont run the full
length of the rope. Known as creepage
Which knit is known as the killer knot? - Answer The reef hitch
What will happen if a Manila rope is loaded to 50% capacity? 75%? - Answer 50% load
will fail in hours
75% load will fail in minutes
Which knot is used to attach a rope to a hook? - Answer Catspaw
How much strength does a rope lose when a splice is tied into it? - Answer 20%
What is the ultimate strength rule of thumb for wire rope - Answer Dia squared x 45 tons
= (tons)
What is the WLL formula? - Answer Ultimate breaking strength / design (safety) factor
Name things that rule of thumb formulas depend on Can they be used with metric
measurements? -Answer Depend on inch-ton ratio. Can-not be used with the metric
system
How many layers of wire rope should be on a drum at one time? - Answer No more than
3 to avoid crushing wire rope
Strongest rope available - Answer Nylon
Why will Manila rope fail under static load? - Answer Because the fibers dont run the full
length of the rope. Known as creepage
Which knit is known as the killer knot? - Answer The reef hitch
What will happen if a Manila rope is loaded to 50% capacity? 75%? - Answer 50% load
will fail in hours
75% load will fail in minutes
Which knot is used to attach a rope to a hook? - Answer Catspaw
How much strength does a rope lose when a splice is tied into it? - Answer 20%
What is the ultimate strength rule of thumb for wire rope - Answer Dia squared x 45 tons
= (tons)
What is the WLL formula? - Answer Ultimate breaking strength / design (safety) factor
Name things that rule of thumb formulas depend on Can they be used with metric
measurements? -Answer Depend on inch-ton ratio. Can-not be used with the metric
system
How many layers of wire rope should be on a drum at one time? - Answer No more than
3 to avoid crushing wire rope
