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E145 Oral Test Prep > Land gear & Brakes > Flashcards

Land gear & Brakes Flashcards

1
Q

How are the nose landing gear doors opened and closed?

A

The are hydraulically actuated and operate in sequence with the nose gear. AOM 2-12-05 page 3.

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2
Q

What keeps the nose landing gear doors closed after the gear is retracted?

A

Hydraulic system 1 pressure. AOM 2-12-05 page 3.

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3
Q

What does the Electrical Override system do?

A

It bypasses the LGEU and directly actuates the Landing Gear Electrovalve and the Nose Gear Doors Solenoid Valve. AOM 2-12-05 page 5.

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4
Q

How does the Free-Fall lever release the landing gear?

A

It mechanically unlocks the three landing gear legs uplocks and depressurizes the landing gear hydraulic lines. AOM 2-12-05 page 6.

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5
Q

A LG/LEVER DISAGREE Warning message occurs if any landing gear is not in the selected position after how many seconds?

A

20 seconds.

AOM 2-12-05 page 7

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6
Q

What protections does the normal braking system provide?

A
  • Anti-skid protection
  • locked wheel protection
  • touchdown protection.

AOM 2-12-10 page 2.

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7
Q

Anti-skid protection is automatically provided above what wheel speed?

A

10 knots.

AOM 2-12-10 page 4.

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8
Q

Locked wheel protection is provided above what wheel speed?

A

30 knots

AOM 2-12-10 page 4

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9
Q

When does touchdown protection provide brake actuation?

A

Only after 3 seconds from the latest touchdown or after the wheels have spun-up to 50 kts. AOM 2-12-10 page 6

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10
Q

When the Emergency/Parking Brake handle is pulled, which hydraulic system pressure is used?

A

Hydraulic pressure from the system 2 accumulator. AOM 2-12-10 page 8.

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11
Q

A fully charged accumulator in hydraulic system 2 can provide how many actuations of the Emergency/Parking Brake handle?

A

The accumulator allows for 6 complete emergency actuations or at least 24 hours of parking brake actuation. AOM 2-12-10 page 8

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12
Q

On the MFD, the brake temperature scale and pointer are green below what temperature?

A

250°C. AOM 2-12-10 page 12.

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13
Q

The nosewheel steering system is electrically controlled and hydraulically operated by which hydraulic system?

A

Hydraulic system 1

AOM 2-12-15 page 1

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14
Q

When using the rudder pedals to control the steering, what is the maximum nose wheel displacement?

A

5°. AOM 2-12-15 page 1.

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15
Q

When using the steering handle only to control steering, what is the maximum nose wheel displacement?

A

71° AOM 2-12-15 page 1.

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16
Q

When using both the rudder pedals and steering handle to control steering, what is the maximum nose wheel displacement?

A

76°. AOM 2-12-15 page 1.

17
Q

What is V LO ?

A

V LO for retraction is 200 KIAS. V LO for extension is 250 KIAS. AOM 1-01-10 page 3.

18
Q

What is V LE ?

A

250 KIAS.

E145 Oral Test Prep (17 decks)

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