AP airframe 3 Please provide explanations or reason for the

A&P airframe 3

Please provide explanations or reason for the answer

9. Which one of the following types of fasteners is considered to be the strongest?
A. Cherrybuck    C. Taper-Lok
B. Hi-Lite                               D. Rivnut

10. On transport category aircraft, spoilers
A. are used for rapid descent.
B. can be part of the speed brakes.
C. cause the nose to pitch downward.
D. relieve contact pressure on tires.

14. When forming deep parts by bumping, work-hardening is best avoided or corrected by
A. welding.                 C. stretching the material quickly.
B. annealing.                      D. using a heavier metal hammer.

Solution

10. On transport category aircraft, spoilers can be a part of the speed brakes.
   ANSWER: B