Q16.
Halon 1301 is a dense colorless and odorless
reaction of the fire is interrupted similar to the result of
using PKP.
gas that does not conduct electricity or leave a
residue.
Halon 1301 decomposes upon contact with flames
1.
True
that are approximately 900F (482C). For Halon 1301
to function effectively as an extinguishing agent, it
2.
False
must decompose. However, as it decomposes, several
Q15.
Dry chemical powders interrupt the chemical
other products, such as hydrogen fluoride (HF) and
reaction of the fire by suspending fine
hydrogen bromide (HBr), are formed. Both gases are
particles in the fire. These particles put a
irritating to the eyes, skin, and upper respiratory tract.
temporary screen between the heat, oxygen,
Chemical burns are also possible. You should not stay
and fuel and maintain this screen just long
in a space where Halon 1301 has been released unless
enough for the fire to be extinguished.
you are wearing an oxygen breathing apparatus
1.
True
(OBA).
2.
False
REVIEW QUESTIONS
SUMMARY
Q13.
Water is a cooling agent and the sea provides
a ship an inexhaustible supply.
In this chapter, you were introduced to the
1.
True
fundamentals of fire fighting. We identified the three
elements required to have a fire along with the
2.
False
classifications of fires. You should now be aware of the
Q14.
AFFF can be used alone or in combination
effects of fire and the different types of gases you may
with PKP.
encounter while fighting a fire. Remember, no two
1.
True
fires are identical; you will have to determine the best
method or extinguishing agent to use when fighting a
2.
False
fire. Safety is to be observed always.
4-7
