Exam (elaborations)
NWSA TTT-1 WRITTEN TEST PRACTICE
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NWSA TTT-1 WRITTEN TEST PRACTICE
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NWSA TTT-1 WRITTEN TEST PRACTICEOnce the lifting path is determined, the vehicle mounted capstan should be moved as
close as possible to what? - answers- the lifting stage area
An antenna that can transmit 360° - answers- omni-directional
When inspecting wire rope diameter, the actual diameter is slightly larger then the
specified diameter. T or f - answers- true
What is the factor of safety specified for rigging equipment? - answers- 5 to 1
Exposure to ionizing radiation does what to the human body? - answers- permanently
changes cells
A good rule of thumb is to stay 6 feet or more away from the centerline of an active
antenna. T or f - answers- true
When you are using synthetic rope for lifting loads everyday, how often should it be
inspected? - answers- daily
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? - answers- 660
lbs (10% of breaking strength)
Due to the resonance frequency and the high power of broadcast antennas, over
exposure is almost always a problem. T or f - answers- true (the wavelength emitted by
broadcast frequency, especially fm signal, is the same size as the human body)
If you notice the impact indicator has been deployed while inspecting your equipment,
what should you do? - answers- take it out of service immediately
The standard states that a load chart must match the specific pole for which it was
developed. T or f - answers- true (gin pole, base mounted hoist, or crane must have a
load chart)
On any fall protection component, the latch must be double locking and be designed to
withstand how many lbs. Of force? - answers- 3,600 lbs.
What three ways can a capstan hoist be powered? - answers- electric, gas, and
hydraulic power
According to the regulations and standards there are two levels of maximum
permissible exposure. Which group is allowed the highest level of exposure? -
answers- industry workers (workers use rf monitors to control exposure, the general
public could be exposed constantly without recovery)
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