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 action should you take if the ICE DETECTORS EICAS message displays?
3 / 15
What position should the ENGINE ANTI-ICE selectors be in for taxiing in icing conditions?
4 / 15
What does the WINDOW HEAT EICAS message mean?
5 / 15
What does the WINDOW HEAT R FWD EICAS message mean?
6 / 15
Which windows are heated for both anti-ice and anti-fog protection?
7 / 15
What is the position of an engine anti-ice valve when the ENGINE ANTI-ICE selector is in AUTO and the EAI is displayed?
8 / 15
What do the EAI symbols on EICAS indicate?
9 / 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.
10 / 15
The automatic ice detection system consists of:
The detector probes normally vibrate when the detection system is operating. If ice accumulates on a probe, the probe will vibrate at a lower frequency. The probe heater will turn on to melt the ice until the vibration frequency returns to normal. Once a detector probe has ice build-up, it is automatically de-iced.
11 / 15
There are three angle-of-attack (AOA) sensors, mounted aft of and above the pitot probes on each side of the fuselage.
12 / 15
With Engine Anti-ice On, the display of "EAI" appears ___________ the N1 displays.
13 / 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.
14 / 15
The Wing Anti-ice system is controlled by the Wing Anti-ice switch. The switch has 3 positions. The bleed air for Wing Anti-ice comes from the Pneumatic System ducting and flows to each wing through:
15 / 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.
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