Boeing 777 Anti Ice
Boeing 777 Anti Ice 15 Questions at a time (45 Questions Total)
1 / 15
What occurs when engine anti-ice is operating?
2 / 15
What position should the ENGINE ANTI-ICE selectors be in for taxiing in icing conditions?
3 / 15
What does the WINDOW HEAT EICAS message mean?
4 / 15
Why are the WIPER selectors set to OFF during preflight?
5 / 15
Which windows are provided with backup anti-fog heat?
6 / 15
Which windows are heated for both anti-ice and anti-fog protection?
7 / 15
Only the forward windows have exterior surface anti-icing. The forward windows have exterior and interior surface anti-fogging protection. The side windows have interior surface anti-fogging protection only.
8 / 15
The WINDOW HEAT switches control heating for all flight deck windows. With the switches ON, window heat operates as soon as:
9 / 15
There are three angle-of-attack (AOA) sensors, mounted aft of and above the pitot probes on each side of the fuselage.
10 / 15
When a Wing Anti-ice Valve is open, the wing anti-ice (WAI) annunciation is displayed below the EICAS N1 indication.
11 / 15
The Wing Anti-ice system operates through the delivery of hot air to the three midwing slats.
The hot air for wing anti-ice is provided by the pneumatic system.
12 / 15
With the WING ANTI-ICE selectors set to AUTO in flight, the wing anti-icing valves open when icing conditions exist and bleed air pressure is available.
13 / 15
Probe Heat automatically operates when either engine is operating.
The level of heat provided to the pitot probes is automatically set a lower level on the ground to protect from over heating the elements. Full heat level is provided in flight.
14 / 15
When the Engine Anti-ice is on (either in the Auto or Manual mode), the engine is selected to: Approach Idle by the EEC.
15 / 15
The Windshield Wiper for each pilot is controlled by a 3 position rotary switch on the respective side of the forward Overhead Panel.
The windshield wiper for each pilot is controlled by a 4 position rotary switch on the respective side of the forward overhead panel.
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