Question

choose the word which best completes the sentence. a______is a flat ring used to tighten a joint or prevent leaks.
a. nut
c. washer
b. bolt
d. none of the above
please select the best answer from the choices provided
a
b
c
d

Explanation:

A nut is a fastener with a threaded hole. A bolt is a type of fastener with an external thread. A washer is a flat ring - shaped component. As per the description in the sentence “a flat ring used to tighten a joint or prevent leaks”, the correct term is washer.

Answer:

C. washer