No, I was wondering the same thing as I took my boating exam, but after further research I believe the answer is that white powder spots are a sign of oxidation on aluminum hulls. But if you are taking the exam, you can always pick an answer, and when you check to see what you missed, look at the information about aluminum hulls or whatever.
I am lead to believe that white powder spots are a sign of rust on Aluminum hulls.
The M551 Sheridan had an aluminum hull, but almost all tanks have had steel hulls.
Al
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Two hulls - catamaran Three hulls - trimaran
Yes, the plural noun hulls is a common noun, a word for any hull or hulls. The word hulls is also a verb (hull, hulls, hulling, hulled). Example uses: Noun: The hulls are removed before the grain is ground. Verb: This is the machines that hulls the grain.
A trimaran has 3 hulls, a main hull and two smaller outrigger hulls.
A trimaran has 3 hulls.
There are two different elements to a keel. They are the hydrodynamic element and the structural element. In layman terms, the keel is the backbone. There many different hulls. When you speak of hulls, you have displacement hulls, semi-displacement hulls or planing hulls. Hulls come in different shapes like moulded or hard chined or simply chined.
Rob Hulls was born on 1957-01-23.
Jordan Hulls was born on 1990-04-16.