1-58.
What is the minimum percentage of
gasoline vapor, by volume, for it
to burn or explode?
1.
1%
2.
3%
3.
5%
4.
6%
1-59.
Because of the range of its vapor
pressure, JP-4 almost always has an
explosive mixture of vapors above
the liquid.
1.
True
2.
False
1-60.
Specific gravity determinations are
correlated to what temperature
according to ASTM Standard
D1250-80?
1.
45°F
2.
60°F
3.
75°F
4.
100°F
1-61.
What is the measure of a liquid’s
resistance to flow called?
1.
Volatility
2.
Viscosity
3.
Flash point
4.
Solvency
1-62.
Why is a fuel spill on an asphalt
surface more damaging than a fuel
spill on a concrete surface?
1.
The vapors will spread faster
on the asphalt surface
2.
The asphalt surface will lose
its color
3.
The fuel will dissolve the
asphalt surface
4.
The asphalt will react to the
fuel and spontaneously ignite
1-63.
What term describes the lowest
temperature at which a fuel
vaporizes enough to form a
combustible vapor?
1.
Freezing point
2.
Flash point
3.
Auto-ignition temperature
4.
Boiling point
1-64.
What does the prolonged inhalation
of fuel vapors cause?
1.
Dizziness
2.
Nausea
3.
Death
4.
All of the above
1-65.
What is the NAVEDTRA number of the
Standard First Aid Training Course
that should be studied by personnel
working with fuels?
1.
10018-B
2.
10081-D
3.
12081
4.
10085-A
1-66.
From the standpoint of fire and
explosion, which fuel is the
safest?
1. MOGAS
2. JP-4
3. JP-5
4. JP-8
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