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737 > Ice & Rain Protection > Flashcards

Ice & Rain Protection Flashcards

1
Q

Window heat for the Capt & F/O front windows is controlled by

A

FWD WINDOW HEAT switches thru a Temp Controller

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2
Q

What does an illuminated window OVERHEAT light indicate

A

The respective window has overheated ; power removed from window

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3
Q

What does the OVHT position of the WINDOW HEAT test switch provide

A

Simulation of window overheat condition that illuminates all OVERHEAT light if all WINDOW HEAT switches are ON

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4
Q

What does an illuminated amber light on the PITOT STATIC heater panel indicate

A

Corresponding component not heated

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5
Q

How is an engine anti-ice valve controlled and operated

A

DC controlled & pneumatically operated

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6
Q

What is the source of bleed air for engine anti-ice

A

5th or 9th stage bleed air, prior to the engine bleed valve

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7
Q

What does an illuminated amber COWL ANTI-ICE light indicate(500)

A

Excessive pressure or temperature in duct between cowl anti-ice valve and cowl leading edge lip

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8
Q

Which statements correctly describe an illuminated COWL ANTI-ICE light(500)

A

The light indicates excessive pressure or temperature in the system, but the cowl valve does not close automatically

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9
Q

Which ENGINE START switch position should be selected for operating in light icing conditions

A

CONT

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10
Q

What is the source of bleed air for wing anti-ice

A

Pneumatic manifold air after the engine bleed valve

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11
Q

What occurs when the WING ANTI-ICE switch is placed to ON

A

AC power operates motors which open each wing anti -ice valve

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12
Q

What is the normal source of power for the wing anti-ice valves

A

Normal AC

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13
Q

What does a dim WING ANTI-ICE VALVE OPEN light indicate

A

Respective wing anti-ice control valve is open, with the switch ON

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14
Q

What happens when either thrust lever is moved beyond the takeoff warning threshold with wing anti-ice operating on the ground

A

Both wing anti-ice valves close, but the switch remains ON

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15
Q

On the ground prior to liftoff, with the wing anti-ice switch ON, and the thrust levers advanced to takeoff power, the WING ANTI ICE VALVE OPEN lights

A

Illuminate bright blue

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16
Q

An amber COWL ANTI-ICE light indicates

A

A cowl anti-ice supply duct over-temp or over-pressure condition has occurred

17
Q

The WING ANTI-ICE switch trips to OFF

A

At liftoff

18
Q

Window heat must be selected ON at least __minutes prior to takeoff

A

10

19
Q

What is the indication when an engine anti-ice switch is turned ON but the valve fails to open

A

The respective blue COWL VALVE OPEN light illuminates bright blue

20
Q

The green WINDOW HEAT ON lights illuminate

A

During a power test, or when a window heat controller is supplying power to the windows

21
Q

On the ground with the throttles advanced to takeoff power and wing anti-ice selected ON, the wing anti-ice valves close

A

True

22
Q

With the window heat switch ON, an illuminated amber window OVERHEAT light indicates an overheated window condition or a power loss to the window

A

True

23
Q

The engine anti-ice system

A

Heats the engine inlet cowl

24
Q

Conditions:A cold front has moved through the area, the temperature is 4C, and the skies are clear. Additionally, the ramp area and taxiways have standing water. Engine and wing anti-ice should be turned on after engine start

A

True

25
Q

The aircraft is descending through clouds from FL290 to FL180. The SAT is -42 C. Engine anti-ice is required

A

True

26
Q

The ATIS temperature is 9 C and a light rain is falling. After engine start, the wing and engine anti-ice should be turned on

A

True

27
Q

Should the Window Heat POWER TEST be performed when all green ON lights are illuminated

A

No

28
Q

The horizontal stabilizer is anti-iced by

A

Nothing

29
Q

Will the engine anti-ice operate with that engine’s bleed valve closed

A

Yes

30
Q

What part of the wing is heated by the wing anti-ice system(500)

A

Slats only

31
Q

Which cockpit windows are not electrically heated by the window heat system

A

L3 & R3

32
Q

How many slats on each wing of a 737-800 are anti-iced

A

3 inboard leading edge slats

33
Q

When the engine anti-ice switches on a. B737-700 are turned on, what happens

A

COWL VALVE OPEN lights turn bright blue, the dim when they are open
Stick shaker logic is set for icing conditions

34
Q

Which model 737 is not allowed to hold in icing conditions with flaps extended

A

7,8,9

737 (17 decks)

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