REVIEW QUESTIONS – ANTI-ICE, RAIN Flashcards Preview

B-737 > REVIEW QUESTIONS – ANTI-ICE, RAIN > Flashcards

Flashcards in REVIEW QUESTIONS – ANTI-ICE, RAIN Deck (11)
Loading flashcards...
1

1. What does the WINDOW HEAT OVERHEAT (amber) light mean?

-The window has over heated (62C) or there is a loss of electrical power. Can be reset 2-5 minutes after cooling by cycling the switch off and then on for an overheat.

2

2. Describe the Rain Removal System for the Forward Flight Deck Windows.

-a permanent rain repellent coating and windshield wipers

3

3. What does positioning ENG ANTI-ICE switches ON in flight do?

-opens Cowl Anti-Ice Valve for cowl lip anti-icing and sets stall warning logic for icing conditions

4

4. What does the COWL ANTI-ICE (amber) light mean?

-Excessive pressure (65 psi), after the Cowl Anti-Ice Valve.

5

5. With the Engine Anti-Ice selected ON, what is the difference between a dim blue and bright blue indication?

-Bright Blue - valve is intransit or disagrees with switch position -Dim Blue - the valve is open with the switch on

6

6. What does an amber TAI indication to the left of an N1 display on the Upper Display Unit indicate?

-The Cowl Anti-Ice Valve failed to move to the switch position

7

7. Which Devices (flaps and/or slats) are heated by the Wing Anti-Ice System?

-The 3 inboard leading edge slats

8

9. What causes the Wing Anti-Ice Control Valves to close during ground operations?

-Either engine thrust lever is above the takeoff warning setting or either temp sensor senses and duct overtemperature.

9

8. With the Wing Anti-Ice selected ON, what is the difference between a dim blue and bright blue indication?

-Bright Blue - valve is intransit or disagrees with switch position -Dim Blue - the valve is open with the switch on

10

10. How is the stall warning logic for icing conditions affected with the WING ANTI-ICE switch?

-Adjusts Stick Shaker and min maneuver speed bars for the remainder of the flight.

11

11. The PROBE HEAT provides electrical heating for which sensors?

-Pitot Probes, TAT Probe, and Alpha Vane Sensors