ROPE OPS STUDY GUIDE
(QUESTIONS WITH CORRECT
ANSWERS)
Helmets used in high-angle work should have what suspension? - correct answer Three Point
Major organizations that set standards for high-angle use what system of measurement? - correct
answer International System of Units
NFPA standard that established regulations of protective ensembles for technical rescue incidents? -
correct answer 1951
How much water should each rescuer carry? - correct answer 2 quarts
Statistical method to determine minimum breaking strength of rope and rescue gear? - correct answer
3-sigma method
Defined as the mass in grams per 1000 meters of material? - correct answer Tex
At 10 percent of its rated minimum breaking strength, static kernmantle rope must have no more than
what percent of strength? - correct answer 6 percent
NPFA 1983 escape rope must have a minimum breaking strength of? - correct answer 3034 lbf.
4496 lbf. - technical use life safety rope
8992 lbf. - general use life safety
Relationship between the strength of the weakest point in the system and highest force expected to be
applied? - correct answer System Load Ratio
, Disadvantage of nylon rope? - correct answer Loss of 10 to 15 percent of its strength when wet.
Two inch tubular, nylon webbing has a tensile strength of? - correct answer 8000 pounds
Each rope should have a distinct identification such as a number or letter known as a what? - correct
answer Rope tag
Why is a flash rappel poor technique? - correct answer It can damage the rope through heat build up.
Technical use ascenders may damage or cut through rope sheath with loads as low as? - correct answer
1200 pounds
Pully sheaves ideally should have a diameter of at least? - correct answer Four times the diameter of
the rope
NFPA certified carabiners are stamped with a "T" or "G" - correct answer A "G" rating is intended for the
highest loads.
At what degree will 100 percent of the load be visible? - correct answer Never exceed 120 degrees, min
90 degrees. At 120 degrees anchor will see 100 percent of the load.
Picket system, drive pickets at an angle of? - correct answer 15 degrees
A portion rope formed into a circle with the ends crossing one another is referred to as a? - correct
answer Loop
What hitch is used for a one person belay? - correct answer Munter
What knot is used to tie a loop in the middle of a rope? - correct answer Inline Figure Eight
(QUESTIONS WITH CORRECT
ANSWERS)
Helmets used in high-angle work should have what suspension? - correct answer Three Point
Major organizations that set standards for high-angle use what system of measurement? - correct
answer International System of Units
NFPA standard that established regulations of protective ensembles for technical rescue incidents? -
correct answer 1951
How much water should each rescuer carry? - correct answer 2 quarts
Statistical method to determine minimum breaking strength of rope and rescue gear? - correct answer
3-sigma method
Defined as the mass in grams per 1000 meters of material? - correct answer Tex
At 10 percent of its rated minimum breaking strength, static kernmantle rope must have no more than
what percent of strength? - correct answer 6 percent
NPFA 1983 escape rope must have a minimum breaking strength of? - correct answer 3034 lbf.
4496 lbf. - technical use life safety rope
8992 lbf. - general use life safety
Relationship between the strength of the weakest point in the system and highest force expected to be
applied? - correct answer System Load Ratio
, Disadvantage of nylon rope? - correct answer Loss of 10 to 15 percent of its strength when wet.
Two inch tubular, nylon webbing has a tensile strength of? - correct answer 8000 pounds
Each rope should have a distinct identification such as a number or letter known as a what? - correct
answer Rope tag
Why is a flash rappel poor technique? - correct answer It can damage the rope through heat build up.
Technical use ascenders may damage or cut through rope sheath with loads as low as? - correct answer
1200 pounds
Pully sheaves ideally should have a diameter of at least? - correct answer Four times the diameter of
the rope
NFPA certified carabiners are stamped with a "T" or "G" - correct answer A "G" rating is intended for the
highest loads.
At what degree will 100 percent of the load be visible? - correct answer Never exceed 120 degrees, min
90 degrees. At 120 degrees anchor will see 100 percent of the load.
Picket system, drive pickets at an angle of? - correct answer 15 degrees
A portion rope formed into a circle with the ends crossing one another is referred to as a? - correct
answer Loop
What hitch is used for a one person belay? - correct answer Munter
What knot is used to tie a loop in the middle of a rope? - correct answer Inline Figure Eight
