Assignment 9
Textbook Assignment:
“Oxygen Components Test Stands.”
Pages 11-1 through 11-21.
9-1.
9-2.
9-3.
9-4.
9-5.
Learning Objective:
Recognize
the properties of oxygen, its
density and state according to
temperature/pressure conditions,
and the adverse effects caused by
oxygen deficiency.
At what minimum altitude is it
necessary to use a positive
pressure breathing regulator?
1.
18,000 ft
2.
20,000 ft
3.
25,000 ft
4.
35,0O0 ft
A demand (inhalation) regulator
CANNOT supply enough oxygen for
the user above what maximum
altitude?
1.
32,000 ft
2.
33,000 ft
3.
35,000 ft
4.
43,000 ft
What term is used to describe the
condition when the body receives
an insufficient amount of oxygen
to function properly?
1.
Anoxia
2.
Aphyxia
3.
Hypoxia
4.
Suffocation
Which of the following terms
refers to a complete lack of
oxygen to the body?
1.
Anoxia
2.
Asphyxia
3.
Hypoxia
4.
Suffocation
The atmosphere contains about
what percentage of oxygen by
volume?
1.
10%
2.
21%
33%
3.
4.
23%
9-6.
9-7.
9-8.
9-9.
9-10.
9-11.
Combustion is a form of rapid
oxidation.
Which of the
following examples represents}
slow oxidation?
1.
Rusting iron
2.
Paint turning brittle
3.
Alcohol turning into vinegar
4.
All of the above
The atmosphere contains about
what percentage of nitrogen by
volume?
1.
21%
2.
23%
3.
33%
4.
78%
What is the weight of 2 gallons
of liquid oxygen?
1.
17.00 lb
2.
19.08 lb
3.
21.00 lb
4.
21.08 lb
Liquid oxygen changes to gaseous
oxygen at an expansion ratio of
1.
520 to 1
2.
682 to 1
3.
862 to 1
4.
986 to 1
With an applied pressure of 750
psi, at what temperature will
oxygen begin to take on its
liquid form?
1.
-147°F
2.
-182°F
3.
-280°F
4.
-297°F
Oxygen procured by the Navy and
tested at a temperature of 70°F
must have a purity of 99.5% and a
water content of no more than how
many milligrams per liter?
1.
0.01
2.
0.02
3.
0.03
4.
0.04
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