OSHA 30
Ladder rung should be spaced between____ and ______ inches apart
10....14
Maximum intended load rating for portable ladders at least
200 pounds
Stairs should be installed between ____ and _____ degrees from horizontal
30...50
Handrails should come up no more than _____ inches and no less than _____ inches from the tread of the stairway
37....30
Heaving or Squeezing would be indicated by which of the following
A bulge at the bottom
Which of the following would be an example of non-entry rescue
A retrieval line hooked to an entrant in a permit space
MOT zone in traffic control plan provides the first indication to motorists that there is upcoming construction work is called the ___
Advanced warning area
____ respirators use a filter to purify the air as the workers breath it in
Air purifying
locking-out, tagging-out refers to the practice of:
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
which of the following is true of an arc flash?
All of above
A confined space meets which of the following conditions
All of the Above
A limited access zone for masonry construction should
All of the Above
Authorized entrants must do which of the following
All of the Above
Shoring for concrete operations should be
All of the Above
Which of the following is an example of an environmental risk factor
All of the above
personal fall-arrest system must be secured properly to a
Anchorage point
The ____ is responsible for maintaining an accurate count of authorized entrants in a permit space
Attendant
when lead enters the body, it enters the __ which distributes it to various organs and tissues
Bloodstream
When moving a load manually, a worker must ask for assistance if the load is:
Bulky to the extent that it cannot be seen over or around
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
Which type of switch will shut off when the user releases it
Constant pressure switch
Cranes, ladders, scaffold, backhoes, and paint rollers all present which type of electrical hazard at a worksite
Contact w overhead power lines
A ___ with overload protection is required for each outlet that will be connected to a portable welding machine
Disconnect switch
To reduce the risk of lead exposure, employers should ______ the lead with a non toxic material that adheres to the surface
Encapsulate
Providing a ladder or scaffold to help employees reach tools Orr materials is an example of a ___ control
Engineering
___ refers to a ___ hazard in which liquids or loose materials that can behave like a liquid draw a worker into their flow , sometime leading to asphyxiation
Engulfment.... Physical
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
A _____ employer is the employer that owns and manages the property where the construction work is taking place
Host
Which of the following would, in addition to the conditions for a confined space, also constitute a permit-required space
It contains or might contain a hazardous atmosphere
___ must be capable of supporting at least 2.5 times the load being lifted
Jacking equipment
_____refers t linking the cylinders of compresses gas together into a service pipe system
Manifolding
Handrails must be provided to all stairways with how many many or more risers
One
Who should be present in a building where a jacking operation is taking place?
Only employees essential to the jacking operation
Hoses and Hose connections should be able to withstand_______the pressure they usually experience
Twice
All rollover protective structures must be able to support at least ___ times the weight of the vehicle at the point where it would be impacted
Two
_____must have pipe supports designed for 100% overload
concrete pumping systems
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
The ____ is the average exposure to a contaminant over a set period of time
Time-weighted Average
Which method of protection involves vertical sidewalls with horizontal struts
Trench boxes
Employees should be allowed to ride in concrete buckets
never
When must a signal person be used?
the crane operator's view is obstructed
Which grants are intended to assist organizations that have demonstrated a potnetial for meeting OSHA's training objective
Pilot Grants
Which type of tools are powered by compressed air
Pneumatic
OSHA's voluntary protection programs (VPP's)
Recognize employers and workers in the private industry who have implemented effective safety and health management systems and maintain injury and illness rates below national BLS averages for their respective industries
Which of the following is an example of a physical Hazard for which employers must provide PPE
Sharp Objects
a ____ lanyard fall-arrest system slows and eventually stops descent and absorbs the forces that could otherwise injure the worker
Shock absorbing
When ______ is inhaled, especially when accompanied by smoking, there is a higher risk for workers to develop lung cancer than either factor alone
Silica
fall protection measures are required when workers are exposed to a possible fall of ___ or more to a lower level
Six feet
Plasteres scaffolds, horse scaffolds, and window jack scaffolds are all examples of which type of saffolding
Specialty
_____ refers to the soil removed from an excavation
Spoils
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
