and Answers (Hazmat Tech Q&A) Exam
This is the maximum concentration that should not be exceeded, even
instantaneously. - ANSWER>>Threshold-limit value/ceiling
This describes an atmospheric concentration of any toxic, corrosive, or asphyxiant
substance that poses an immediate threat to life, or would cause irreversible or
delayed adverse health effects. - ANSWER>>Level that is immediately dangerous
to life or health
Infrared waves, radio waves, and visible light are all examples of _______
radiation, which is also characterized by its lack of energy to remove electrons
from atoms. - ANSWER>>non-ionizing
Largest of the common radioactive particles, these have an extremely limited
penetrating power, and primarily have an internal hazard when ingested or
inhaled. - ANSWER>>alpha
This is a particle that is the same size as an electron and can penetrate materials
much farther than larger particles. These can penetrate human skin but not
internal organs. - ANSWER>>Beta
This is the most dangerous form of common radiation because of the speed at
which it moves, its ability to pass through human tissue, and the great distances it
can travel. - ANSWER>>Gamma
,This is the time it takes for the activity of a radioactive material to decrease to
one-half of its initial value through radioactive decay over a few seconds or
millions of years. - ANSWER>>Half-life
This heat-related condition is indicated by a cramp in the extremities or abdomen
caused by depletion of water and salt in the body. - ANSWER>>Heat cramps
This heat-related condition exhibits as a mild form of shock when the circulatory
system begins to fail as a result of the body's inadequate effort to give off
excessive heat. - ANSWER>>Heat exhaustion
This heat-related condition is indicated by high body temperature; rapid pulse;
hot, dry, or moist skin; headache; confusion; unconsciousness; and convulsions. -
ANSWER>>Heat stroke
This PPE cooling devices utilizes vests that hold frozen ice packs. This option is
relatively inexpensive but requires frozen coolant packs or an ice source on scene.
- ANSWER>>Ice-cooled vests
The principle of conductive heat cooling uses a vest that holds packets that
transform from a solid to a liquid at a set temperature. - ANSWER>>Phase-change
cooling technology
Two factors that significantly influence the development of cold injuries are
ambient temperature and ___________. - ANSWER>>wind velocity
Regardless of the ambient temperature, personnel will perspire heavily in
impermeable chemical protective clothing, which, when removed during the
decontamination process, will allow the body to _____. - ANSWER>>cool rapidly
These should be developed for situations where excessive noise levels make
verbal or radio communications impossible. - ANSWER>>Hand signals
,OSHA regulations require that hearing protection be provided whenever noise
levels exceed ____ dBa? - ANSWER>>85
A _____________ is the cornerstone of an effective employee health
management program. - ANSWER>>medical surveillance program
OSHA requires that exposure and medical records for all individuals be
maintained for at least ____ years after retirement. - ANSWER>>30
That the selection and purchase of PPE should be based on the chemicals stored,
transported, or used within the facility or community explains which of the PPE
program components? - ANSWER>>Hazard assessment
This necessary activity will ensure the user is comfortable wearing the chemical
protective clothing, and understands the capabilities of the clothing. -
ANSWER>>Training program
SOPs and ______ should be used both to verify and document that safety
elements are addressed during the course of the emergency. -
ANSWER>>checklists
Which of the following is not part of the site safety plan? - ANSWER>>Entry tasks
is defined as an ongoing, systematic evaluation of individuals at risk of suffering
adverse effects of stress or exposure to heat, cold, or hazardous environments. -
ANSWER>>Medical monitoring
Which of the following generally perform more complex and technical hazmat
response functions? - ANSWER>>Hazardous materials response teams
Individuals who provide specific expertise to the IC and emergency responders
either in person, by telephone, or through other means are - ANSWER>>technical
specialists
, are individuals that provide support and mitigation services at an incident. -
ANSWER>>Environmental clean-up contractors
The following can be defined as an occurrence or event, either natural or human
made, that requires action by emergency response personnel to prevent or
minimize loss of life or damage to property. - ANSWER>>Incident
What is designated as a crowd control line surrounding the hazard control zones
that is between the general public and the cold zone? - ANSWER>>Isolation
perimeter
A holding area within the hot zone where personnel are controlled until they can
be safely decontaminated, treated, or removed is called a(n) - ANSWER>>area of
refuge
This public protective action involves directing people to go inside a building, seal
it up as effectively as possible, and remain inside the building until the danger
from a hazardous materials release has passed. - ANSWER>>Shelter in place
The controlled relocation of people from an area of known danger or
unacceptable risk to a safer area or one in which the risk is considered to be
acceptable is which type of public protective action? - ANSWER>>Evacuation
What is the highest strategic priority for any incident commander when there
may be a victim involved in a vehicle accident involving a hazardous material
release? - ANSWER>>Life safety
Good approach and positioning of personnel and apparatuses should follow basic
safe operating principles such as approaching a hazardous materials incident from
which direction, if practical? - ANSWER>>Uphill and upwind