Aerospace

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Module 6 B2 CAAS NOV 2010

1. Which of the following process is used to increase toughness of material?

a) Annealing b) Tempering* c) Normalizing

2. Which of the following process is to relieve internal stress?

a) Annealing b) Casting c) Normalizing*

3. Aircraft bolt is what class of fit?

a) 1 b) 3* c) 5

4. Pro-seal B1/2. The “1/2” means?

a) ½ hour application time* b) 50% sealant 50% accelerator. c) Shelf Life is ½ year from manufacturing life.

5. Which two types of corrosion requires changing of the component.

a) Pitting and fretting b) Intergranular and exfoliation* c) Surface and stress

6. A combination of residual stress and corrosive agents will cause

a) Filiform corrosion b) Stress corrosion* c) Exfoliation corrosion

7. Which material is most widely used in modern civil aircraft construction?

a) Stainless steel b) Titanium alloys c) Aluminum alloys*

8. Cables can be tensioned using

a) Bolts and nuts b) Turnbuckles* c) Locking wires

9. The process for protecting aluminum and aluminum alloys surface from corrosion is

a) Metal spraying b) Zinc plating c) Anodizing*

10. Landing gear wheels use what bearings?

a) Roller bearing b) Ball bearing c) Tapered roller bearing*

11. Which of the following is the most widely used cable in American manufactured aircraft?

a) 1 X 19 Flexible cable b) 7 X 7 Extra flexible cable c) 7 X 19 Extra flexible cable*

12. Tensile strength of a material is determined by

a) Divide the load to pull apart by its cross-sectional area* b) Multiply the load to pull apart by its cross-sectional area c) Divide the load to pull apart its cross-sectional area by bending it to 45…...

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