Question

a _____ is used to tighten or loosen a fire hose coupling. select one: a. pipe wrench b. spanner wrench c. hydrant wrench d. speed wrench

Explanation:

A pipe wrench is a common tool used to tighten or loosen pipe - related fittings such as fire hose couplings. Spanner wrenches are more general hand - tools for nuts and bolts, hydrant wrenches are mainly for fire hydrants, and speed wrenches are not typically used for this purpose.

Answer:

A. pipe wrench