NWSA TT1 COMPREHENSIVE ANSWERS AND
QUESTIONS SET A+
What is the minimum force that a positioning system anchorage must be able to
withstand? - ✔✔2 times the MAF(Maximum anticipated force) or 3,000 lbs
✔✔If a synthetic rope has a breaking strength of 6,600 lbs and a bowline knot is tied to
make a lifting eye what is the maximum gross load that can be lifted? - ✔✔660 lbs.
Synthetic rope has a safety factor of 10:1. That includes the weakening factor of the
knot
✔✔Exposure to ionizing radiation dopes what to the human body? - ✔✔IR can change
cells and molecules in biological organisms
✔✔When is a trained signal person necessary - ✔✔When a crane can physically enter
a powerline restricted area.
✔✔What three ways can a capstan hoist be powered - ✔✔Electric Gas and Hydraulic
✔✔When using tape and butyl to weatherproof a ground kit what is a critical step in the
process? - ✔✔Always cut the tape with sciccors
✔✔According to regulations, what is the maximum arresting force allowed to the human
body? - ✔✔Maximum arresting force allowed on the body is 1800 lbs. But our y-
landyards reduce the force to half that
✔✔What is the minimum number of ground kits installed in a single run - ✔✔3. (1 at the
top above the hoisting grip. 1 at the base of the tower on the vertical run, 1 at the
cabinet)
✔✔how often must a fire extinguisher be inspected by a qualified person? - ✔✔Annually
QUESTIONS SET A+
What is the minimum force that a positioning system anchorage must be able to
withstand? - ✔✔2 times the MAF(Maximum anticipated force) or 3,000 lbs
✔✔If a synthetic rope has a breaking strength of 6,600 lbs and a bowline knot is tied to
make a lifting eye what is the maximum gross load that can be lifted? - ✔✔660 lbs.
Synthetic rope has a safety factor of 10:1. That includes the weakening factor of the
knot
✔✔Exposure to ionizing radiation dopes what to the human body? - ✔✔IR can change
cells and molecules in biological organisms
✔✔When is a trained signal person necessary - ✔✔When a crane can physically enter
a powerline restricted area.
✔✔What three ways can a capstan hoist be powered - ✔✔Electric Gas and Hydraulic
✔✔When using tape and butyl to weatherproof a ground kit what is a critical step in the
process? - ✔✔Always cut the tape with sciccors
✔✔According to regulations, what is the maximum arresting force allowed to the human
body? - ✔✔Maximum arresting force allowed on the body is 1800 lbs. But our y-
landyards reduce the force to half that
✔✔What is the minimum number of ground kits installed in a single run - ✔✔3. (1 at the
top above the hoisting grip. 1 at the base of the tower on the vertical run, 1 at the
cabinet)
✔✔how often must a fire extinguisher be inspected by a qualified person? - ✔✔Annually
