Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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All of the following are examples of personal protective equipment,
except ____.
A. | goggles | B. | earplugs | C. | sunglasses | D. | gloves |
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2.
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Fire extinguishers that contain different substances are used to ____.
A. | be more portable than others | B. | put out different types of
fires | C. | be eco-friendly options | D. | All of the
above. |
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3.
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The set of regulations covering electrical wiring safety in residential and
commercial buildings is ____.
A. | National Electric Code (NEC) | B. | National Electrical Manufacturers Association
(NEMA) | C. | Underwriters Laboratory (UL) | D. | Occupational Safety and Health Administration
(OSHA) |
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4.
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A ____ is a component of an electrical system that can be opened or closed to
allow or interrupt the flow of current.
A. | fuse | B. | circuit breaker | C. | surge | D. | grounded cord |
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5.
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A(n) ____ conductor should be used with power tools and electrical
equipment.
A. | two-wire | B. | ungrounded | C. | circuit | D. | three-wire |
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6.
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Use ____ procedures when repairing equipment to disable machinery and prevent
hazardous energy releases.
A. | GFCI | B. | lockout/tagout | C. | OSHA | D. | circuit breaker |
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7.
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According to OSHA safety color codes, the color ____ indicates a radiation
hazard.
A. | red | B. | yellow | C. | purple | D. | green |
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8.
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The ANSI/RIA R15.06-2012: American National Standard for Industrial Robots
and Robot Systems—Safety Requirements document provides safety requirements for industrial
robot ____.
A. | manufacturing environments | B. | installation sites | C. | general
operation | D. | All of the above. |
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9.
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A(n) ____ is a safety device designed to prevent unauthorized access to
hazardous areas by requiring a key for entry.
A. | interlock | B. | GFCI | C. | conductor | D. | control panel |
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10.
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A(n) ____ prevents unauthorized entry and contains any flying objects.
A. | control panel | B. | safety fence | C. | interlock | D. | sensing system |
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11.
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Using a ____, the light beam between two sensors is broken when a worker enters
the work envelope, which sends a signal to cut the power to the robot.
A. | safety fence | B. | pressure sensitive safety
mat | C. | light curtain | D. | circuit breaker |
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12.
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Overload protection can be provided by ____, which are pins or tubes that break
or buckle under extreme stress.
A. | sensing systems | B. | mechanical fuses | C. | detents | D. | preloaded
springs |
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True/False
Indicate whether the
statement is true or false.
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13.
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An electrical shock is an injury that occurs when a person comes into
contact with electric current.
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14.
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Grounding electrical equipment stops the flow of current before it reaches the
ground.
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15.
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When a power surge reaches a fuse in an electrical system, the flow of current
is interrupted.
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16.
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Organized tool storage can contribute to a safe working environment and prevent
loss.
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17.
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Equipment grounds reduce the possibility of shock due to electrical shorts or
leakage.
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18.
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Paint or colored tape may be used on the floor to outline the perimeter of the
robot’s work area.
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19.
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Barriers and sensing systems prevent theft of robotic machinery.
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20.
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Preloaded springs are two or more elements held in position by spring-loaded
mechanisms.
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21.
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Many work-related injuries are the result of taking shortcuts or performing work
with too much haste.
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Completion
Complete each
statement.
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22.
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Clothing or devices that shield a worker’s body and help prevent injuries
are called ______________________________.
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23.
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Tools and equipment plugged into electrical outlets should be wired with
______________________________ cords and plugs.
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24.
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A(n) ______________________________ consists of supplies and equipment used to
treat a person in the event of an accident or injury.
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25.
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The ______________________________ is an agency of the US federal government
that sets and enforces standards related to worker safety.
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26.
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When a circuit breaker is ______________________________, the electrical current
flows uninterrupted along the channel.
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27.
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A ______________________________ conductor should be used with power tools and
electrical equipment.
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28.
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To ensure that no one else can turn on the power to equipment while it is being
serviced, use ______________________________ procedures.
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29.
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Two primary safety devices used in a robot work area are barriers and
______________________________.
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30.
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A(n) ______________________________ has embedded sensors that send a shutdown
signal to the controller when a worker steps on the device.
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31.
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When ______________________________ move from their original position,
indicating excessive stress, power is removed from the machine.
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Matching
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Match the following terms with the appropriate definition. A. | mechanical fuses | B. | circuit breaker | C. | hand
tool | D. | light curtain | E. | detents | F. | lockout/tagout
procedures | G. | preloaded springs | H. | power tool | I. | fuse | J. | pressure sensitive safety
mat |
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32.
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Component of an electrical system designed to open when a short circuit occurs
or a power surge reaches it.
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33.
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An implement used to perform work that uses some type of energy.
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34.
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Practices used to disable machinery and prevent injury from hazardous energy
releases.
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35.
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A sensing system that signals equipment shutdown when a worker steps on the
device.
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36.
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Pins or tubes that break or buckle under extreme stress.
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37.
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Electrical overload protection device in which an internal element melts and
interrupts the flow of current.
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38.
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Overload protection device that consists of two or more elements held in
position by spring-loaded mechanisms.
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39.
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An implement used to perform work that does not use electricity.
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40.
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A barrier that consists of an array of photoelectric sensing devices.
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41.
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Overload protection device that causes the end effector to break away from the
work area in excessive stress conditions.
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