personal fall-arrest system must be secured properly to a
Anchorage point
when a crane is moving a load, it operates within a ___: if a worker is within that
area, he or she could be caught-in-between the crane or its load and either the
ground, or another piece of equipment
Swing radius
a ___ protects you from shock by detecting differences in current as small as 5
milliamps between the amount of electricity flowing into a circuit and the amount
flowing out
GFCI
___ are common cause of struck-by accident at worksites and can sometimes be
prevented by using back-up alarms
Heavy vehicles
fall protection measures are required when workers are exposed to a possible fall
of ___ or more to a lower level
Six feet
locking-out, tagging-out refers to the practice of:
All of above
which of the following is true of an arc flash?
All of above
which of the following can be used to protect a trench 5-feet or more in depth?
All of above
which of the following is an example of a passive fall protection system?
All of above
a ____ lanyard fall-arrest system slows and eventually stops descent and absorbs
the forces that could otherwise injure the worker
Shock absorbing
___ must be capable of supporting at least 2.5 times the load being lifted
Jacking equipment
, Cranes, ladders, scaffold, backhoes, and paint rollers all present which type of
electrical hazard at a worksite
Contact w overhead power lines
electrical power tools must be __ by a 3-wire cord, __ insulated, powered by a
low-voltage transformer, or powered by a self-contained ___
grounded... double... battery
MOT zone in traffic control plan provides the first indication to motorists that
there is upcoming construction work is called the ___
Advanced warning area
Which of the following is an example of a physical Hazard for which employers
must provide PPE
Sharp Objects
____ respirators use a filter to purify the air as the workers breath it in
Air purifying
Maximum intended load rating for portable ladders at least
200 pounds
Ladder rung should be spaced between____ and ______ inches apart
10....14
Stairs should be installed between ____ and _____ degrees from horizontal
30...50
Handrails must be provided to all stairways with how many many or more risers
One
Handrails should come up no more than _____ inches and no less than _____
inches from the tread of the stairway
37....30
Which of the following is an accepted method of determining when it is safe to
remove concrete formwork
Concrete's compressive strength has been properly tested
A limited access zone for masonry construction should
All of the Above
Shoring for concrete operations should be