OXYGEN

Question 1

OXYGEN

1. The automatic drop feature of the passenger
   oxygen masks requires normal DC power.

True or False?

The automatic drop feature of the passenger
oxygen masks is powered from the emergency bus.

True or False?

Answer 1

OXYGEN

1. The automatic drop feature of the passenger
   oxygen masks requires normal DC power.

True

The automatic drop feature of the passenger
oxygen masks is powered from the emergency bus.

False

Question 2

OXYGEN

2. CREW ONLY on the cockpit oxygen selector:
   a) valve blocks oxygen flow to the passenger masks

True or False?

b) will NOT prevent automatic drop of the masks.

True or False?

Answer 2

OXYGEN

2. CREW ONLY on the cockpit oxygen selector:
   a) valve blocks oxygen flow to the passenger masks

True

b) will NOT prevent automatic drop of the masks.

False

Question 3

OXYGEN

3. Oxygen pressure indicated in the cockpit
   is measured (before/after) the shutoff valve on the
   oxygen tank.

It will not be affected by the
position of the oxygen selector valve or
shutoff valve. True or false?

Answer 3

OXYGEN

3. Oxygen pressure indicated in the cockpit
   is measured before the shutoff valve on the
   oxygen tank.

It will not be affected by the
position of the oxygen selector valve or
shutoff valve. True

Question 4

OXYGEN

4. The _______ valve on the oxygen tank does
   not have a cockpit control and can only
   be accessed from inside the ____ _______
   ____________.

Answer 4

OXYGEN

4. The shutoff valve on the oxygen tank does
   not have a cockpit control and can only
   be accessed from inside the nose baggage
   compartment.

Question 5

OXYGEN

5. Passenger oxygen masks require oxygen
   pressure (shutoff valve open), ______
   DC power, and cabin _____________ to
   drop automatically. They may be dropped
   manually via the ______ ____ position
   of the cockpit oxygen selector valve.

Answer 5

OXYGEN

5. Passenger oxygen masks require oxygen
   pressure (shutoff valve open), normal
   DC power, and cabin decompression to
   drop automatically. They may be dropped
   manually via the MANUAL DROP position
   of the cockpit oxygen selector valve.

Question 6

OXYGEN

6. When the passenger oxygen masks are
   dropped, oxygen will flow to a mask only
   when the passenger _____ the _______ to open
   the valve for that mask.

Answer 6

OXYGEN

6. When the passenger oxygen masks are
   dropped, oxygen will flow to a mask only
   when the passenger pulls the lanyard to open
   the valve for that mask.