ANSWERS(RATED A+)
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 lifting eye what is the maximum gross load that can be lifted? - ANSWER660
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? - ANSWERIR can
change cells and molecules in biological organisms
When is a trained signal person necessary - ANSWERWhen a crane can physically
enter a powerline restricted area.
What three ways can a capstan hoist be powered - ANSWERElectric Gas and Hydraulic
When using tape and butyl to weatherproof a ground kit what is a critical step in the
process? - ANSWERAlways cut the tape with sciccors
According to regulations, what is the maximum arresting force allowed to the human
body? - ANSWERMaximum 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 - ANSWER3. (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? -
ANSWERAnnually
What is a crown block? - ANSWERUpper sheave assembly attached to the tower.
Sheave assembly = pulley or block
Exposure to Non IR does what to the human body - ANSWERHas thermal effects on
the body
An overhaul ball provides what function in the operations - ANSWERProvides weight so
the load line can travel back down to the ground. Its apart of the load
How many olbs of force is one kilo newton? - ANSWER225 lbs = 1 kn
5000 = 22.5 kn