Question

The spring-lock coupling is most similar to a/an
A. O-ring seal.
B. Schrader valve.
C. fin comb.
D. depressor pin.

Answer 1

Answer:

D. depressor pin.

Explanation:

A depressor pin and a sprinlock coupling work similar, to connect two tubes with pression and not allowing liquids or gases in or out in the coupling, they have similar functions with different mechanisms.