HAZMAT Ops ProBoard Practice Questions and Correct Answers
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Course
HAZMAT Ops ProBoard
Institution
HAZMAT Ops ProBoard
Operations Level Personnel can plan an appropriate response based on Training and SOPs
Three Stages of Matter solid, liquid, gas
Vapor Pressure reported in reference materials may use any of the following units... PSI, kilopascals (kPa), millimeters of mercury (mmHg), atmospheres (atm), hectopasc...
HAZMAT Ops ProBoard Practice
Questions and Correct Answers
Operations Level Personnel can plan an appropriate response based on ✅Training
and SOPs
Three Stages of Matter ✅solid, liquid, gas
Vapor Pressure reported in reference materials may use any of the following units...
✅PSI, kilopascals (kPa), millimeters of mercury (mmHg), atmospheres (atm),
hectopascals (hPa), torr
Boiling Point is.... ✅The temperature at which liquid changes to gas at a given
pressure
Specific Gravity is.... ✅The ratio of the density (mass per volume) of a material to the
density of a standard material, usually an equal volume of water at standard conditions
of pressure and temperature
Specific Gravity less than 1.... ✅Float on water
Specific gravity greater than 1... ✅Sink in water
Persistence is related to.... ✅Vapor pressure and boiling point
A material with low vapor pressure and high boiling point... ✅Will not vaporize readily
Solubility information be useful.... ✅Determining spill clean up methods and
extinguishing agents
Three Parts of the Reactivity Triangle ✅Oxidizing Agent, Activation Energy, Reducing
Agent
7 on pH scale ✅Neutral
Acids ✅pH value of 0-6.9, severe chemical burns to flesh and permanent damage to
eyes, immediate pain
Bases ✅pH value of 7.1 to 14, breaks down fatty skin tissues and can penetrate
deeply into the body, tend to adhere to tissues in the eyes making it difficult to remove,
long duration exposures
, Common sign of base exposure is.... ✅A greasy or slick feeling of the skin which is
caused by saponification, the breakdown of fatty tissues
At flashpoint.... ✅Materials vapors will flash in the presence of an ignition source but
will not continue to burn
Autoignition Temperature is.... ✅The minimum temperature to which the fuel in the air
must be heated to self sustain combustion without initiation from an independent ignition
source
Flammable explosion range is... ✅The percentage of the gas or vapor concentration in
the air that will burn or explode if ignited
Bellow the Lower Explosive Limit (LEL) is considered... ✅Too lean to burn
Above the Upper Explosive Limit (UEL) is considered.... ✅Too rich to burn
Radiation types.... ✅Ionizing and Non-Ionizing
Alpha radiation is stopped by.... ✅Skin and paper
Beta radiation is stopped by... ✅Clothing and aluminum
Gamma radiation is stopped by... ✅Lead, can easily pass through body
Neutron radiation is stopped by... ✅Concrete, High amounts of Hydrogen
Radiation contamination occurs when.... ✅Radioactive material is deposited on
surfaces, skin, clothing, or any place where it's not desired
Acute Dose (radiation) ✅large radiation dose in a short period of time
Chronic Dose (radiation) ✅Small dose of radiation received over a long period of time
Not all shipments of radioactive materials require.... ✅Shipping papers, labeling of
package, or placarding of the vehicle
ALARA refers to.... ✅Using time, distance, and shielding to limit exposure to radiation
Contamination is.... ✅The transfer of a hazardous material to persons, equipment, and
the environment in greater then acceptable quantities
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