NWSA TT1 Exam; Questions and Answers
100% Solved
What is the minimum force that a positioning system anchorage must be able to
withstand? Correct 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...
NWSA TT1 Exam; Questions and Answers
100% Solved
What is the minimum force that a positioning system anchorage must be able to
withstand? Correct 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?
Correct 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? Correct
Answer-IR can change cells and molecules in biological organisms
When is a trained signal person necessary Correct Answer-When a crane can
physically enter a powerline restricted area.
What three ways can a capstan hoist be powered Correct Answer-Electric Gas
and Hydraulic
, NWSA TT1 Exam; Questions and Answers
100% Solved
When using tape and butyl to weatherproof a ground kit what is a critical step in
the process? Correct Answer-Always cut the tape with sciccors
According to regulations, what is the maximum arresting force allowed to the
human body? Correct 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 Correct
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?
Correct Answer-Annually
What is a crown block? Correct Answer-Upper sheave assembly attached to
the tower. Sheave assembly = pulley or block
Exposure to Non IR does what to the human body Correct Answer-Has
thermal effects on the body
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