1. The fully serviced oxygen cylinder pres-
sure at 70° F is:
A. 70 psi
B. 90 psi
C. 1,800 psi
D. 2,000 psi
2. The charging OXYGEN CONTENTS
gage reads:
A. Direct system low pressure
B. Electrically derived system low
pressure
C. Direct system high pressure
D. Electrically derived system high
pressure
3. The crew OXYGEN CONTENTS gage
reads:
A. Direct system low pressure
B. Electrically derived system low
pressure
C. Direct system high pressure
D. Electrically derived system high
pressure
4. The control the pilot uses to manually
supply oxygen to the passenger oxygen
system is the:
A. Master SUPPLY valve control knob
B. PASSENGER SUPPLY EMER-
GENCY valve (red control knob)
C. PULL TO OPERATE switch
D. Passenger supply on–off valve
5. The valve that controls the oxygen sup-
ply to the therapeutic outlets is the:
A. Master SUPPLY valve
B. Passenger supply on–off valve
C. Barometric valve
D. PASSENGER SUPPLY EMER-
GENCY valve
6. The passengers’ constant-flow masks de-
liver oxygen:
A. At all times when the system is acti-
vated and the mask lanyard is pulled
B. Upon inhalation only when the system
is activated and the mask lanyard is
pulled
C. When the system is activated and the
mask falls from the stowage container
D. When the passenger supply on–off
valve is positioned to ON
7. The passenger oxygen masks are auto-
matically deployed and oxygen is avail-
able to the passengers when the:
A. Master SUPPLY valve is positioned
to ON
B. Passenger supply on–off valve is po-
sitioned to ON
C. Cabin altitude reaches 12,000 ±500
feet and the master SUPPLY and pas-
senger supply ON–OFF valves are in
the ON positions
D. Cabin altitude reaches 12,000 ±500
feet, the master SUPPLY valve is ON,
and the passenger supply on–off valve
is positioned to either on or off
8. The portable oxygen smoke set supplies
oxygen to the wearer for approximately:
A. 5 minutes
B. 10 minutes
C. 15 minutes
D. 20 minutes
Revision 1
17-7
FOR TRAINING PURPOSES ONLY
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