BOTH INTERNATIONAL & INLAND A vessel nearing a bend where other vessels may be obscured is required to sound which signal?

Correct Answer: Option B — One prolonged blast

Rule 34(e) stipulates that a vessel nearing a bend or an area of a channel where other vessels may be obscured by an intervening obstruction shall sound one prolonged blast. This requirement ensures that vessels are alerted to each other's presence before they come into visual range of one another.