Anti-Ice/Rain Flashcards

1
Q

What position must Engine ignition be selected to prior to and during engine anti-ice operation?

A

CONT

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2
Q

Window heat must be ON how many minutes before takeoff?

A

10 minutes

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3
Q

When must probe heat be ON?

A

before takeoff

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4
Q

________flight deck windows are not electrically heated.

A

L3 and R3

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5
Q

Temperature controllers maintain window heat at the correct temperature on which windows to ensure
maximum strength of the windows in the event of bird impact?

A

L1, R1, L2, and R2

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6
Q

On the Window Heat Panel, when an overheat condition is detected, power is removed from the window,
the green ON light extinguishes, and __________.

A

an amber OVERHEAT Light is illuminated

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7
Q

By placing the WINDOW HEAT Test Switch to OVHT, _______________ is simulated.

A

an overheat condition

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8
Q

What happens when placing the WINDOW HEAT Test Switch to PWR TEST?

A

• It provides a confidence test.

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9
Q

Engine bleed air thermal anti-icing prevents the formation of ice on which part of the engine?

A

engine cowl lip

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10
Q

Each cowl anti-ice valve is _______ actuated and ______ controlled.

A

pressure; electrically

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11
Q

________________occurs when the ENG ANTI-ICE switches are positioned to ON.

A

• The stick shaker and minimum maneuver speed bars on airspeed indications are adjusted. The airspeed
indications return to normal when engine anti-ice is positioned OFF if wing anti-ice has not been used in
flight.
• Engine bleed air is allowed to flow through the cowl anti-ice valve for cowl lip anti-icing, and the stick
shaker logic is set for icing conditions.

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12
Q

If the cowl anti-ice valve fails to move to the position indicated by the ENG ANTI-ICE switch, an amber TAI
indication illuminates on the CDS after a short delay and the COWL VALVE OPEN light ________ .

A

remains illuminated bright blue

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13
Q

An amber illuminated COWL ANTI-ICE Light on the Engine Anti-Ice Panel indicates __________.

A

excessive pressure in the duct leading from the cowl anti-ice valve to the cowl lip

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14
Q

What does an amber TAI on the upper display unit above the N1 gauge indicate?

A

cowl anti-ice valve is not in position indicated by related engine anti-ice switch.

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15
Q

The wing anti-ice system excludes the _______ and the_________.

A

leading edge flaps; outboard leading edge slats

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16
Q

On the ground, both of the wing anti-ice valves close if ___________ or either engine thrust is above the
takeoff warning setting.

A

either temperature sensor senses a duct over temperature

17
Q

What does a bright blue Wing Anti-Ice VALVE OPEN Light on the Wing Anti-Ice Panel indicate?

A

The related wing anti-ice control valve is in transit, or, related wing anti-ice control valve position disagrees
with WING ANTI–ICE switch position.

18
Q

An amber CAPT PITOT light on the Probe Heat Panel indicates ________.

A

the probe is not heated