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A ____ is the ratio between the minimum breaking strength of a piece of equipment and
the maximum force expected to be placed on it. - CORRECT ANSWER: Safety Factor
A mechanical rope grab device used to travel up a fixed rope is called a(n) ____. -
CORRECT ANSWER: Ascender
A multipoint anchor system is preferred when the ____ of the load will be changing. -
CORRECT ANSWER: Direction
As a guideline, the diameter of a prusik cord should be ____ to ____ the diameter of the
main-line rope. - CORRECT ANSWER: 2/3 , 3/4
At what interior angle within an anchor system does the load equal 100% on each leg of
the anchor? - CORRECT ANSWER: 120 Degrees
During system operation, the responsibility of safety is continuously evaluated by? -
CORRECT ANSWER: Safety Officer
Hand ascenders are available in the following: - CORRECT ANSWER: left-handed and
right-handed models
Ideally, the angle between the legs of an anchor system should not be more than ____
and never more than ____. - CORRECT ANSWER: 90 degrees , 120 degrees
, In a change of direction, the ____ an angle created by the force vector, the ____ force
added to the system. - CORRECT ANSWER: Wider, Less
In a rope system, the Actual Mechanical Advantage (AMA) is calculated by determining
the theoretical mechanical advantage and ____. - CORRECT ANSWER: Subtracting
the effects of friction
In a shared anchor system, the ____ the angle created by the force vector, the ____ the
force is on the anchors. - CORRECT ANSWER: Narrower, Less
In a single change of direction force vector, the most force generated at the point of
angle is ____ the load. - CORRECT ANSWER: 2 Times
NFPA certified carabiners are labelled with identifiable markers. Which of the following
letters would be appropriate for rescue operations? - CORRECT ANSWER: A "G" rating
Pulleys in a 1:1 Mechanical Advantage (MA) system do what? - CORRECT ANSWER:
Allow the haul to be more redirected
T or F: Change of direction devices can make work easier and develop considerable
mechanical advantage. - CORRECT ANSWER: False
T or F: Mechanical advantage can be calculated by measuring the amount of rope that
must be pulled through the system compared to the distance the load has moved. -
CORRECT ANSWER: True
T or F: Mechanical ascenders are certified to handle a two-person load. - CORRECT
ANSWER: False
T or F: The more pulleys that are attached to an anchor, the greater the mechanical
advantage. - CORRECT ANSWER: False