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A&P General > Quiz 2 > Flashcards

Quiz 2 Flashcards

1
Q

Fuselage

A

Main body of the aircraft

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2
Q

Truss

A

Pratt truss

Warren truss

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3
Q

Pratt Truss

A

Box like frame

Not very strong

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4
Q

Warren Truss

A

Triangular frame

Strongest truss type frame

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5
Q

Monocoque (4)

A

Old metal and wood covered aircraft

Skin is stretched around vertical members called rings and formers

Skin gives the structure strength, holds the fuselage rigid and requires a thick skin

Dents, cracks cause a rapid failure

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6
Q

Semi-Monocoque

A

Most modern metal covered aircraft are of this type

Along with the vertical. This structure also incorporates longitudinal members called longerons

  • Longerons and stingers
  • Bending loads are taken up the longitudinal members. Therefore, skin thickness can be reduced
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7
Q

Bulkheads

A

Used attachment points, and pressurization sections

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8
Q

Rings and Formers

A

Hold the fuselage and shape

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9
Q

Longerons

A

Heaviest members extends across several vertical members

Takes up primary bending load

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10
Q

Stringers

A

Lightweight, maintain shape of the structure

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11
Q

Guessets

A

Used at the intersection of vertical and horizontal members

Add strength and stiffness to the airframe

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12
Q

Aircraft Skin

A

Monocoque and semi-monocoque aircraft have stressed skin

Skin is under constant tension, compression, bending and torsion loads

NOTE: Even small cracks are critical

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13
Q

Pylons

A

Provide mounting points for engines and external stores

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14
Q

Nacelles

A

Smooth airflow and reduce the drag around engines, fuel tanks, etc…

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15
Q

Wings

A

Main lifting body of the aircraft

May be designed to house wheels, supports, contain fuel, mount flight controls, etc…

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16
Q

Metal Wings

A

During flight, wing is subject to bending loads

Lower skin more critical to repar than lower wing (look up and confirm in book)

Lower skin under a tension load

Upper skin under a compression load

17
Q

Semi-Cantilever

A

Requires extra bracing

18
Q

Landind Struts

A

On a low wing aircraft

19
Q

Lifting Struts

A

On a high wing aircraft

20
Q

Cantilever wing

A

Requires no external bracing and has a heavy constructed center section

21
Q

Spars

A

Runs the span of the wind from the wing root to the wing tip

The principal structural component of the main load bearing member

Wings may have a single or multi-spar design

22
Q

Wings contain

A

Spars, ribs, stringers, and bulkheads

23
Q

Wing Covering Materials

A

Metal

Composite material

Doped fabric

Plywood

A&P General (18 decks)

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