for starting the APU is provided by what
for the APU supplied from which fuel tank
air from the APU is used two purposes what are they
air can be extracted from the APU by opening one or both of two switches,
controls will reduce what load to favor electrical power if the combined
loads on the APU become excessive.
a normal shutdown, the APU fuel valve light on the FE's door annunciator
panel will do what after placing the Master switch off.
APU installation is not designed for airborne operation and will not
start in flight because of what switch
shutdown features cause the APU to shut down in the event of what.
APU installation is designed to increase airflow to operate both air
conditioning packs through the use of what on a 200 series.
flow multiplier overheat will cause what valve to close.
the normal flow multiplier overheat protection fails, what will shut
down the flow multiplier.
15 seconds after placing the APU Master switch to START, a positive
indication of what should be seen
Answer the following as True or False
to conducting an APU fire test with the APU not running, the Auto Fire
Shutdown switch should be placed in ARMED.
the fire test, the fire warning should occur within 30 seconds of initiating
is usually necessary to move the Fire Test/Reset switch to Reset twice
during the fire test.
start, the APU Master switch should be held in the START position until
the APU CRANK light illuminates.
order to use APU bleed air, only one Engine No. 2/APU BLEED switch need
be in the OPEN position.
APU can provide sufficient compressed air for only one air conditioning
pack (100 Series)
APU Fire switch, when pulled, will override any other control function.
the Fire switch is pulled, the APU fuel valve should close and the APU
light on the FE's door annunciator panel should come on
the APU will not shut down when the APU Master switch is moved to OFF
the APU Fire switch should be pulled
2 Fuel Tank
Overspeed, Low oil pressure
bleed air valve
(No flow multiplier on the 100)