How many modulating valve control
switches are located on the left side
of the wing and empennage ice panel?
What switch(s) on the wing and
empennage ice panel controls the
outboard modulating valve on the left
and right wings?
Both 1 and 2 above
What switches will open when an
overheat is sensed at 175°F and
closes at 190°F?
Leading edge overheat warning
Wing overheat warning switches
Fuselage overheat warning
Wing and fuselage overheat
During normal operation of the de-
icing system, two of the four engine
bleed-air valves are open to supply
bleed-air to the cross-ship manifold?
3-24. When should the deicing manifold
system be tested for leakage?
1. Before each flight
2. Before each engine turn
3. During each flight
4. Both two and three above
The involvement of the AME 1 and
AMEC in the maintenance of the
deicing system normally consists of
The A-6 rain-removal system uses
bleed-air from what stage of the
Upon loss of electrical power, the
nosewheel well bleed-air shutoff
valve will be in what position?
In the last selected position
In the manual position
What type of power is used to
operate the rain-removal pressure-
regulator shutoff valve?
What shutoff valve controls the
airflow from the rain-removal system
to the windshield?
1. Nosewheel well bleed air
2. Rain-removal pressure regulator
3. Main-engine bleed air
4. Cabin bleed air
What total number of nozzles are on
the A-6 windshield?