NWSA TT1 Exam Questions And Answers
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What is the minimum force that a positioning system anchorage must be able to withstand? -
answer2 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
l...
What is the minimum force that a positioning system anchorage must be able to withstand? -
answer✔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? - answer✔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? - answer✔IR can change cells
and molecules in biological organisms
When is a trained signal person necessary - answer✔When a crane can physically enter a
powerline restricted area.
What three ways can a capstan hoist be powered - answer✔Electric Gas and Hydraulic
When using tape and butyl to weatherproof a ground kit what is a critical step in the process? -
answer✔Always cut the tape with sciccors
According to regulations, what is the maximum arresting force allowed to the human body? -
answer✔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 - answer✔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? - answer✔Annually
What is a crown block? - answer✔Upper sheave assembly attached to the tower. Sheave
assembly = pulley or block
Exposure to Non IR does what to the human body - answer✔Has thermal effects on the body
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