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Non-Metallic Structures Quiz 8

Authored by Philip Shekey

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University

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Non-Metallic Structures Quiz 8
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

List the names of the fibers used to reinforce composites

Carbon fiber, glass fiber, ceramic, Kevlar, boron

Polyurethane foam, Balsa, Honeycomb, thermoplastic

Thermosetting resin, glass fibers, balsa, Kevlar

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the above fibers

can be utilized in high heat areas?

Kevlar

Carbon fiber

Ceramic

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Curing of the matrix (resin) is accomplished with

Time

Pressure

Time, heat and pressure

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the minimum vacuum pressure required in a vacuum bag?

14.7 PSI

22” hg

20” hg

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The best way to remove paint from a composite panel that is to be repaired, is?

Pyrolytic paint removal

Hand sanding

Sand blasting

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The simplest and most common damage inspection methods for composites is?

Visual inspection

Dye penetrant inspection

Ultrasonic inspection

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Superficial scars, scratches or abrasion can generally be repaired by?

Sanding to a smooth cross section

Applying one coat of resin catalyzed to cure at room temperature

Applying a precured patch

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