Questions and CORRECT Answers
NFPA standard for Rope Rescue Equipment - CORRECT ANSWER - 1983
Rate of descent while utilizing the MPD is controlled by - CORRECT ANSWER - Friction
of rope against the fixed brake V groove
When urban climbing fall protection should be set every ___ ft up to 30 ft then every ____ ft
after 30 - CORRECT ANSWER - 5, 10
A pulley that remains static in a system and does not travel within that system is defined as a
____ pulley - CORRECT ANSWER - COD
How long should the pickets be when used to create a static anchor - CORRECT
ANSWER - 4'
When building a pendulum system what knot is used to tie the ropes to the collection ring or
rigging plate - CORRECT ANSWER - Long tail bowline
Pickets should be driven in ______ - CORRECT ANSWER - 2/3 of their length at 15
degree angle
The dynamic rope carried on TROT rescues is - CORRECT ANSWER - 11mm 165'
Which is NOT one of the three safety checks to be done anytime rope is being used - CORRECT
ANSWER - Tactile
Which is NOT a component that makes up every knot, bend, or hitch - CORRECT
ANSWER - Wrap
, If you have 450lb load on a rope system that has a change of direction pulley that is 90 degrees,
how much estimated weight is being applied to the COD pulley? - CORRECT ANSWER -
675lb
What is the foundation that all rope systems are built on? - CORRECT ANSWER -
Anchors
The end of the rope used to tie the knot is referred to as? - CORRECT ANSWER -
Working end
This type of anchor can be used when the anchor point in the best position is marginal and will
need assistance to support the load? I.E. the primary anchor is not sufficient - CORRECT
ANSWER - Pretensioned back-tie
What is the knot efficiency for the bowline? - CORRECT ANSWER - 71%
What percentage of the load is being applied on the pulley, anchor and carabiner when your
interior angle is 90 degrees on a COD pulley? - CORRECT ANSWER - 1.5x the load
What is the minimum breaking strength for wrap 3 pull 2 anchor? - CORRECT
ANSWER - 7899lbf
How many wraps for the prussic hitch is used for non-life support? - CORRECT
ANSWER - 3 wraps
When setting up a single point anchor using rope or webbing the preferred critical angle should
be less than ____ degrees? - CORRECT ANSWER - 90
In regards to whistle commands how many blasts means to lower or slack depending on the
situations? - CORRECT ANSWER -3