Type-Rating - A330 A330 Type Rating

Ice And Rain Protection

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Question 14830
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What happens when the WING ANTI-ICE pushbutton is set to ON on the ground?
A
The wing anti-ice control valves do not open
B
The wing anti-ice control valves open for 30 seconds as a test sequence
C
The wing anti-ice control valves open if a pneumatic supply is available, and remain open
D
The wing anti-ice control valves open provided OAT < 10°C