6-9.
6-10.
6-11.
6-12.
6-13.
6-14.
The tubing used in aircraft high-
-pressure oxygen systems is made
from which of the following types
of metal?
1.
Copper
2.
Steel
3.
Bronze
4.
Aluminum
What lines run from the oxygen
cylinders to the regulators?
1.
Filler
2.
Cylinder
3.
Regulator
4.
Distribution
Oxygen lines are identified by
strips of what color paint and/or
tape?
1.
White paint
2.
Blue and white tape
3.
Green and white tape
4.
Green paint
At what minimum pressure is type
N tubing pressure tested?
1.
300 psi
2.
450 psi
3.
1,800 psi
4.
3,000 psi
For which of the following
connections is high-pressure
tubing NOT used?
1.
The cylinder valve and the
regulator inlet in high-
-pressure systems
2.
The cylinder valve and the
pressure reducer in reducer
high-pressure systems.
3.
The pressure reducer and the
outlets in reduced high-
-pressure systems
4.
The oxygen cylinder valve and
the filler connection in bath
high and low-pressure systems
Adapters and fittings are
connected to the ends of copper
tubing in high-pressure oxygen
systems in what manner?
1.
Flared
2.
Electric arc welded
3.
Silver soldered
4.
Tin and lead soldered
6-15.
Some later models of naval
aircraft with high-pressure
oxygen will have which of the
following types of tubing in the
oxygen system?
1.
Aluminum-alloy
2.
Stainless steel
3.
Both 1 and 2 above
4.
Aluminum
6-16.
If a line in a gaseous oxygen
system ruptures, the loss of the
entire oxygen supply is prevented
by which of the following valves?
1.
Check
2.
Filler
3.
Shutoff
4.
Pressure-reducing
6-17.
Check valve castings have arrows
embossed on them to provide what
information?
1.
The direction of the master
oxygen supply
2.
The direction of flow through
the valve
3.
The section of the valve to
be mounted facing aft
4.
The section of the valve to
be mounted facing forward
6-18.
In some oxygen systems, high
cylinder pressure is changed to a
low working pressure by which of
the following valves?
1. Pressure-reducing
2. Manifold control
3. Cylinder control
4. Filler control
6-19.
Pressure reducers are always in
what locations?
1.
Oxygen distribution lines
2.
Cylinder outlet caps
3.
Filler valve inlets
4.
Regulator outlets
6-20.
What valve, located within the
common filler valve, opens during
the oxygen system filling
operation and closes when filling
is complete?
1. Check
2. Shutoff
3. Regulator
4. Pressure-reducing
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