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B1 M11 > Materials > Flashcards

Materials Flashcards

1
Q

A modern aircraft wing spar, if made from aluminium alloy, it is usually

A

Machined

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2
Q

Wing to fuselage frames

A

Forged aluminium alloy

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3
Q

Fuselage formers

A

Pressed aluminium alloy sheet

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4
Q

Structural tie rod

A

Rolling

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5
Q

A spar web will take loads in

A

Shear

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6
Q

Stringers are usually constructed of

A

Pressed aluminium alloy sheet

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7
Q

A member taking compression load

A

Strut

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8
Q

Dissimilar metal fusion bonding is best for?

A

High strength, high stiffness

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9
Q

Wing attachments are usually constructed of?

A

Forged aluminium or titanium alloy

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10
Q

Dents are generally not permitted in a tubular member

A

If they are located in the middle third of the length of the member

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11
Q

A floor beam in a large transport aircraft is usually constructed from?

A

Rolled aluminium alloy

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12
Q

The mounting bolts are tightened so the engine can move?

A

Torsionally

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13
Q

When doing a bonding check the maximum resistance between component and earth is?

A

50 milliohms

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14
Q

Ultimate loads are?

A

Limit loads times safety factor

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15
Q

The ground cable must be?

A

Copper stranded 0.5” cross sectional area

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16
Q

Stress

A

Is the load per unit area acting on a material

17
Q

Secondary bonding is usually provided with?

A

18 AWG

18
Q

Engine mounts provide for?

A

Longitudinal movement

19
Q

Diffusion bonding superplastic forming provides?

A

High stiffness and high ductility

20
Q

What force is an I beam subjected to?

A

Bending

21
Q

Aluminium is prepared for bonding by?

A

Acid etch

22
Q

Where is zone 323?

A

Between front and rear spar of vertical stabiliser

23
Q

The mounting bolts are tightened so the engine can move?

A

Torsionally

24
Q

Engine mounts provide for what type of movement?

A

Longitudinal movement

25
Q

The 5 forces acting on an aircraft structure are?

A

Compression, tension, torsion, shear & bending

B1 M11 (22 decks)

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