Anti-Ice/Rain

Question 1

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

Answer 1

CONT

Question 2

Window heat must be ON how many minutes before takeoff?

Answer 2

10 minutes

Question 3

When must probe heat be ON?

Answer 3

before takeoff

Question 4

________flight deck windows are not electrically heated.

Answer 4

L3 and R3

Question 5

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?

Answer 5

L1, R1, L2, and R2

Question 6

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

Answer 6

an amber OVERHEAT Light is illuminated

Question 7

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

Answer 7

an overheat condition

Question 8

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

Answer 8

• It provides a confidence test.

Question 9

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

Answer 9

engine cowl lip

Question 10

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

Answer 10

pressure; electrically

Question 11

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

Answer 11

• 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.

Question 12

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 ________ .

Answer 12

remains illuminated bright blue

Question 13

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

Answer 13

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

Question 14

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

Answer 14

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

Question 15

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

Answer 15

leading edge flaps; outboard leading edge slats

Question 16

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

Answer 16

either temperature sensor senses a duct over temperature

Question 17

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

Answer 17

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.

Question 18

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

Answer 18

the probe is not heated