According to the Boatswain's Manual, what scope ratio is recommended when anchoring in storm conditions?

A. 5:1
B. 7:1
✓ 10:1Correct
D. 12:1

Why C is correct

The Boatswain's Manual specifies a scope of 7:1 for good holding ground and calm conditions, and 10:1 for storm conditions. Scope is the ratio of rode length to water depth plus bow height.

Cited:USCG Boatswain Manual Ch. 2 §2.2

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