AP technical 2 Please provide explanations or reason for the

A&P technical 2

Please provide explanations or reason for the answer

13. A rivet designated “AN430AD55” has a
A. round head. C. countersunk head.
B. flat head.                                            D. universal head.

14. The _______ file has curved teeth and is often used in a special holder.
A. mill                               C. vixen
B. half-round                         D. knife

17. The portion of a turnbuckle that’s grasped and rotated to adjust the tension is called the
A. barrel.                           C. pink eye.
B. fork. D. cable eye.

18. The recessed part of a twist drill is called the
A. shank.                             C. flute.
B. auger. D. land.

Solution

14) ans : C

Vixen files are used most often to file aluminium, particularly car .However, their rapid removal rate and clog resistance lends them well to filing other soft materials such as wood and plastic.Vixen files can be flat or half round, although half round vixen files tend to be C-shaped. They tend to be blunt.Vixen files, also known as dreadnought files, have curved teeth.

17) ans : D

A turnbuckle, stretching screw or bottlescrew is a device for adjusting the tension or length of ropes, cables, tie rods, and other tensioning systems. It normally consists of two threaded eye bolts, one screwed into each end of a small metal frame, one with a left-hand thread and the other with a right-hand thread.

18) ans : C

The body of the drill has two helical grooves called “ flutes”. The flutes from the cutting surface and also assist in removing chips out of the drilled hole.