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Q400 > Landing Gear and Brakes > Flashcards

Landing Gear and Brakes Flashcards

1
Q

Which hydraulic system controls extension and retraction of the landing gear?

A

2 hydraulic system

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2
Q

True or False: The proximity sensor electronic unit (PSEU) controls gear and door extension and retraction.

A

True

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3
Q

When does the gear handle illuminate?

A

Anytime the handle disagrees with the gear system

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4
Q

True or False: Only hydraulic pressure keeps the gear in the down and locked position.

A

False

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5
Q

When would pilots use the alternate gear extension?

A

Landing gear Inop caution light illuminates, Landing gear indication fails, #2 Hyd system pressure is lost

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6
Q

True or False: When pulling the main landing gear release handle, only the gear uplocks are released.

A

False

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7
Q

What happens after pilots pull the main landing gear release handle?

A

The gear doors and gear uplocks are released

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8
Q

Where is the handle found for the alternate gear extension hand pump?

A

Behind the Copilots seat

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9
Q

If there is failure in the weight-on-wheels (WOW) system, what might happen?

A

The landing gear may not retract

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10
Q

How many degrees can the nose wheel free caster?

A

120° Either Side

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11
Q

True or False: Nose wheel steering is self-centering.

A

True

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12
Q

How many degrees of steering are available using the tiller?

A

70° either side

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13
Q

How many degrees of steering are available using the rudder pedals?

A

8° Either side

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14
Q

Which hydraulic system controls the brake system?

A

1 Hydraulics

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15
Q

Which hydraulic system does the emergency parking brake use?

A

2 Hydraulic system or Accumulator pressure

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16
Q

What wheel speed is needed for the antiskid system to activate?

A

10 knots

17
Q

How many applications can a fully charged accumulator supply to the brakes?

A

6 applications

18
Q

True or False: All gear doors are attached to the gear assembly and open and close mechanically.

A

False

19
Q

Gear assemblies are held in the retracted position by _____.

A

Mechanical Uplocks

20
Q

What action routes retraction and extension hydraulic pressure back to the return lines?

A

Opening the alternate release door

21
Q

What happens when nose wheel steering is selected off?

A

Both steering methods are disabled and the gear is in castor mode

22
Q

Normal brake applications are powered by _____.

A

1 Hydraulics

23
Q

What is the purpose of the anti-skid system?

A

Modulates brake pressure applied to each brake unit to prevent wheel lock-up and give maximum braking at all levels of runway friction

24
Q

True or False: There is no differential braking or anti-skid protection when using the EMERG BRAKE lever.

A

True

Q400 (31 decks)

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