What are the APU Manual shut down possibilities in the cockpit?
a. APU Master Switch Push Button; APU Fire Push Button Switch
b. APU Master Switch Push Button
c. APU Fire Push Button Switch; APU Shut Off Push Button
a. APU Master Switch Push Button; APU Fire Push Button Switch
- When the APU is running, the APU Fuel Pump:
a. Runs when tank pumps pressure is not sufficient;
b. Runs all the time;
c. Runs only in flight;
d. Runs when the APU fuel pump is selected ON.
a. Runs when tank pumps pressure is not sufficient;
- On ground, normal APU rotation speed (N%) without air conditioning is:
a. 99% (101% for Engine Start)
b. Steady at 99%
c. Steady at 101%
a. 99% (101% for Engine Start)
- APU Master Switch selected “ON”:
a. ON comes on BLUE, APU system is supplied and APU starts; at 95%, AVAIL comes ON;
b. ON comes on BLUE; APU system is supplied; APU starts as soon as the START Push Button is pressed and Intake Flap opens.
b. ON comes on BLUE; APU system is supplied; APU starts as soon as the START Push Button is pressed and Intake Flap opens.
- APU Bleed Air is controlled:
a. By ECB (N% Adjustment)
b. Not Controlled
c. By APU Bleed Valve which operates as Shut Off Valve.
a. By ECB (N% Adjustment)
- APU N indication becomes AMBER on ECAM SD whien:
a. N > 107%
b. N > 102%
c. N > 99%
b. N > 102%
- APU EGT indication becomes RED on ECAM SD when:
a. EGT > 715oC (APU Running)
b. EGT > 1038oC (APU Running)
c. EGT > 711 (APU Running; OAT: 15oC (59oF); OP. EGT > 1038oC (During
APU start)
c. EGT > 711 (APU Running; OAT: 15oC (59oF); OP. EGT > 1038oC (During
APU start)
- On ground, APU provides:
a. Electrical Power + Hydraulic Power
b. Electrical Power + Bleed Air
b. Electrical Power + Bleed Air
- Air Bleed extraction for Wing Anti-Ice:
a. is permitted
b. is not permitted
b. is not permitted
- Can you start the APU using the A/C Batteries?
a. Yes
b. No
a. Yes
- The APU is supplied from the:
a. Left Fuel Feed Line
b. Right Fuel Feed Line
a. Left Fuel Feed Line
- If Air Bleed was used, after a Manual Shut Down
Sequence, the APU:
a. stops immediately;
b. keeps running for four (4) minutes;
c. keeps running between 60 seconds and 120 seconds MAX.
c. keeps running between 60 seconds and 120 seconds MAX.
- AVAIL Light illuminates on start PB when:
a. external power is disconnected;
b. APU N reaches 95%;
c. APU Electric Power is used.
b. APU N reaches 95%;
- The APU has its own lubrication system:
a. Yes
b. No
a. Yes
- On ground, the APU speed is determined in accordance with Air Bleed system demand by:
a. Electronic Control Box
b. Air Conditioning System (Zone Controller)
c. Air Intake System
a. Electronic Control Box
- Besides the Master Switch on the cockpit APU panel, APU shut down is possible by:
a. Switching Off the left fuel pumps;
b. Pushing the APU Fire Push Button;
c. Pressing APU Shut Off Push Button on external interphone panel;
d. Either B or C.
d. Either B or C.
- When the APU Master Switch is released out, a normal APU Shut Down occurs:
a. after a time delay, in all cases;
b. after a time delay if the APU bleed air was in use;
c. without time delay, in all cases.
b. after a time delay if the APU bleed air was in use;
- Master Switch ON, the:
a. APU starts
b. ECB is electrically supplied
c. Air Intake Flap closes
b. ECB is electrically supplied
