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Ice & Rain > Ice & Rain > Flashcards

Ice & Rain Flashcards

1
Q

What are the ATA Code’s

A

30 Ice & Rain
— 00 General
— 10 Airfoils
— 20 Air Intakes
— 30 Pitot & Static
— 38 Water and Waste
— 40 Windows & Windshields
— 50 Antenna & Radomes
— 60 Propellers/Rotors
— 70 Water Lines
— 80 Detections

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2
Q

What must all aircraft that operate in weather conditions where ice is likely to form have?

A

They MUST have ice protection

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3
Q

Ice increases ______ and reduces ______.

A

Drag & Lift

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4
Q

Ice hampers instrument readings and causes ________

A

Vibrations

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5
Q

Anti-Icing Systems prevents the ________ of ice

A

Formation

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6
Q

Anti-Ice systems are operated in flight when icing conditions are present or _________

A

When expected.

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7
Q

Deicing Systems ______ ice on the aircraft

A

Removes

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8
Q

How does the De-icing system work?

A

It allows the ice to accumulate and then break off

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9
Q

Visual inspection is done by flight _____ monitoring

A

Crew
(Visually seeing ice on surface)

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10
Q

Deicer Boots are coated with _______ to dissipate static.

A

Neoprene

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11
Q

Air ________ are on the back side

A

Connections

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12
Q

De-Ice boots are driven by a ______________

A

Vacuum Pump

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13
Q

________________ controls the inflation sequence by directing the vacuum

A

Distributor Valve.

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14
Q

Boots are inflated alternately to minimize _________________

A

Airflow Disruption

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15
Q

A __________________ holds the boots deflated when the system is off, by regulating the vacuum.

A

Suction relief valve.

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16
Q

With wet type vacuum pumps, an _____________ is used to protect the boots from oil deterioration by removing the oil from the air.

A

Oil Separator

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17
Q

(Inspecting & Maintaining Deicer Boots)

What does Deicer boots installation require?

A

Removing all paint from the area to be covered by the Deicer boot. Check for cuts, abrasion, or other damage.

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18
Q

Remove any _______ or _____ with soap and water

A

Grease or Oil

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19
Q

Check _________ __________ for removal procedures

A

Maintenance manual

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20
Q

(Wing Anti-Ice WAI system Thermal Anti-Icing)

Uses heated air flowing _____ ______ ______ passages in the wing, or electric resistance heat elements in a “blanket”.
And what kind of system is it?

A

Through
Anti-ice system

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21
Q

Heat sources for pneumatic systems are combustion heaters, ____ _____ or _______ tubes.

A

Bleed air or augmenter

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22
Q

Wing leading edges, or leading-edge slats, and horizontal and vertical stabilizer leading edges, and some _______ and _____ ______ _____ are heated with a Thermal electric boot system.

A

Turbine and turbo prop inlets

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23
Q

(Electro thermal Propeller)

Many propellers are Deiced by an _________ heated boot on each side.

A

Electrically

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24
Q

The boot, firmly cemented in place, receives current from a ________ and _______ assembly on the spinner bulkhead

A

Slip ring and Brush

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25
Q

(Propellers Fluid Anti-Icing)

10 PSI variable output controlled by a _______

A

Rheostat

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26
Q

Flow rate ranges from less than ______ to more that _______per hour

A

1 quart
1 Gallon

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27
Q

Anti-Icing fluid is ejected from the ______ ____ by centrifugal force.

A

Slinger Ring.

28
Q

(Probe Anti-Icing)

Heaters are controlled by _______

A

Switches

29
Q

Proper operation of the pitot/static tube heat can be verified by the ___________

A

Ammeter

30
Q

(Carburetor Icing)

Most severe at temperatures between ___________

A

30-40 degrees F

31
Q

Can occur in warm weather with no ______ ______

A

Visible Moisture

32
Q

What are the three methods for Windshield Ice Control?

A

1.Electric heating element in the windshield
2.Circulating heated air
3.Spraying a fluid on the windshield

33
Q

The heat sensors on the windshield have heat sensors that are ______ in the glass.

A

Imbedded

34
Q

In regards to Windshield inspection, check for ________, check for ________, check for ________ during operation, and arcing caused by a breakdown of the ________ coating.

A

Delamination, scratching, arcing, Conductive

35
Q

Spraying the Windshield is normally used to clear the windshield prior to ______

A

Landing

36
Q

Windshield wiper systems are operated electrically, hydraulically, or ______

A

Pneumatically

37
Q

Pneumatic Rain Removal Systems uses _________ bleed air

A

Compressor

38
Q

High velocity air ______ rain from hitting windshield

A

Prevents

39
Q

Deicing aircraft removes frost with ______ ______ and ______ ______

A

Ethylene glycol
Isopropyl alcohol

40
Q

How do you remove ice from turbine engines?

A

With hot air

41
Q

An operational check of the system can be made by operating the aircraft systems per ______ _______

A

Operational instruction

42
Q

Some troubles must be corrected by ______ or ______ of system components or by ______ loose connections

A

Repair
Replacement
Tightening

43
Q

(De-icing Fluid)
Fluid is _______

A

Flammable

44
Q

How do you clean & dry heated windshields?

A

With mild soap and plenary of fresh clean water.
Dry with Chamois absorbent cotton.

45
Q

(Water & Waste System)

In a properly designed system, lavatory sink drain water quantity is ______ and proper drain maintenance should preclude hazardous quantities of ice being formed.

A

Negligible

46
Q

Potable water which is allowed to drain out overboard can, however, become an appreciable problem unless te drain system is designed to ______ ______ on the airplane

A

Prevent Impingement

47
Q

In regards to Lavatory waste, tanks are drained through a _____ that can only be opened by the ground personnel

A

Valve

48
Q

In regards to Ice prevention, water pipes, where icing conditions are likely to occur, are ______ and ______ with electrical tape heaters.

A

Insulated and Heated

49
Q

What are the 2 types of ice formation and what do they look like?

A

Glaze/Clear and Rime
Glaze is smooth & clear
Rime is milky & rough

50
Q

How do Deicer boots operate?

A

They inflate pneumatically in a sequence to break ice loose

51
Q

What is the purpose of the distributor valve

A

It Inflates the de-icer boots in a sequence

52
Q

Why are boots inflated alternately

A

Reduces airflow disruption

53
Q

What is used to prevent static build up?

A

Neoprene conductive coating outside deicer boots

54
Q

Why is an oil separator needed in a deicer boot system?

A

Keeps oil out of airflow to prevent oil deterioration of the boot

55
Q

During an ops check should the vacuum gage be steady or fluctuating?

A

Steady

56
Q

How is the pitot/static tube heat ops checked

A

Visual inspection, Ammeter check

57
Q

Can carb ice occur in warm weather with no visible moisture?

A

Yes

58
Q

What controls the amount of current to the heating elements in a windshield

A

Thermistors

59
Q

Where are the heat sensors in electrically heated windshields

A

Imbedded in the glass/sandwiched inside window panels

60
Q

What causes arching in electronically heated windshields

A

Breakdown of the conductive coating layer

61
Q

What are the three rain removal systems

A

Wipers, chemical, air

62
Q

What provides the high velocity to keep the rain from contacting the windshield?

A

Engine Bleed Air

63
Q

How is snow removed?

A

Brush or squeegee

64
Q

How is ice removed from turbine engines?

A

Hot air flowed through

65
Q

What type of pump is used for inflating deice boots on a recip engine aircraft?

A

Vane type Pump

66
Q

What is the source of pressure for inflating deicer boots on a reciprocating engine aircraft?

A

Vane-Type pump

67
Q

Why is a separator needed for a Deicer boot system when using a wet type vacuum pump?

A

To keep oil out of the air flow

Ice & Rain (1 decks)

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