Question

he ______ wrench has a movable jaw that can be adjusted by turning an adjustingscrew to fit any fastener within its range.
○ a. flare nut
○ b. pipe
○ c. ratcheting box - end
○ d. open - end adjustable or crescent

Explanation:

An open - end adjustable or crescent wrench has a movable jaw. By turning an adjusting screw, the jaw can be adjusted to fit different fasteners within its range. A flare nut wrench is mainly for working on flare nuts. A pipe wrench is designed for gripping and turning pipes. A ratcheting box - end wrench has a ratcheting mechanism but not the adjustable jaw described here.

Answer:

d. Open - end adjustable or crescent