Learjet 20 Series Pilot Training Manual page 256

1. To regulate cabin pressure, the cabin
controller modulates the:
A. Cabin safety valve
B. Flow control valve
C. Outflow valve
D. Primary differential pressure relief
valve
2. The cabin altitude warning horn sounds
when cabin altitude reaches:
A. 8,750 feet
B. 9,500 feet
C. 10,000 feet
D. 11,000 feet
3. To dump residual cabin pressure on
touchdown:
A. The outflow valve opens automati-
cally.
B. The cabin safety valve opens auto-
matically.
C. The flow control valve closes auto-
matically.
D. The bleed-air shutoff and regulator
valves close automatically.
LEARJET 20 SERIES PILOT TRAINING MANUAL
QUESTIONS
FOR TRAINING PURPOSES ONLY
4. On all airplanes except SNs 23-003
through 23-030, if DC power fails:
A. Pressurization control reverts to
manual control.
B. Pressurization control reverts to
automatic control.
C. Cabin pressure is not controlled.
D. The cabin slowly depressurizes.
5. The Flight Manual recommends use of
the maximum airflow position:
A. In case of anti-ice failure due to
bleed-air loss
B. In case of unsatisfactory pressuriza-
tion in manual mode
C. When required during heavy smoke
and fume elimination
D. All the above
6. On airplanes SNs 23-002 through 24-
189, and 25-003 through -029, the man-
ual pressure relief valve is set to begin
opening at:
A. 8.77 psid
B. 8.3 psid
C. 9.12 psid
D. 9.3 psid
FlightSafety
international
12A-13