M17 Propellers Sub-Module No 2(Quiz No:1)

Propeller Construction

Quiz

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1. Drain holes be kept ____on the tip of wood propellers ?
   1.   close
   2.   open
   3.   no hole
2. _______ failures due to vibrations?
   1.   Fatigue
   2.   tansile
   3.   torsion
3. Most widely used types of propeller in aviation is ______?
   1.   Aluminum
   2.   steel
   3.   composite
4. Most commonly used finishing process is ____?
   1.   chromimg
   2.   painting
   3.   Anodizing
5. A rounded portion of the blade is known as _____?
   1.   shanks
   2.   root
   3.   cuff
6. The cambered side of a blade is called______?
   1.   blade back
   2.   blade face
   3.   blade root
7. Supporting unit for the blades is ____?
   1.   hub
   2.   shank
   3.   butt
8. Farthest potion from the hub _______?
   1.   shanks
   2.   butt
   3.   tip
9. This angle increases the load on the engine, and RPM _____?
   1.   decrease
   2.   increase
   3.   constant
10. Propeller blade can be described as a ______?
    1.   straight aero foil
    2.   twisted aero foil
    3.   both