Oral Bank - ANTI-ICE / WINDOW HEAT Flashcards

1
Q

Describe what happens when NAI is commanded on? (3)

A
  • NAI valves open
  • Selected engine igniters operate continuously
  • Engine PRV opens when the NAI valve is open
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2
Q

The 747-8 EICAS msg BLD LOW TEMP indicates what?

A

Engine bleed air to low for sufficient wing anti-icing

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3
Q

Does the Nacelle Anti-Ice AUTO position function on the ground?

A

No, auto only works inflight

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4
Q

How many ice detection probes are there, and where are they located?

A

2 probes located on the forward fuselage

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5
Q

How many angle of attack probes are provided, and when are they heated?

A

2 probes electrically heated when ANY engine is operating

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6
Q

How many pitot-static probes are provided, and when are they heated?

A

4 probes, electrically heated when ANY engine is operating

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7
Q

Window Heat ON switches provide both anti-ice and anti-fogging protections to which flight deck windows?

A

Forward left and right windshields only

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8
Q

On the -400, what indications are displayed, on primary EICAS, when the Nacelle anti-ice and/or the wing anti-ice valve is open?

A
  • NAI for nacelle anti-ice
  • WAI for wing anti-ice
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9
Q

On the -8, what indications are displayed, on primary EICAS, when the nacelle anti-ice and/or the wing anti-ice valve is open?

A
  • EAI for engine nacelle anti-ice
  • WAI for wing anti-ice
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10
Q

Is wing anti-ice effective with the leading edge flaps extended?

A

No

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11
Q

Can you operate the wing anti-ice system on the ground?

A

No, prohibited

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