A tanker is loaded with 5,000 barrels of petroleum. The cargo was loaded at a temperature of 70°F, and the coefficient of expansion is .0004. What is the net amount in barrels of cargo loaded?
Official USCG Answer & Rule Citation
Correct Answer: Option B — 4980
Standard volume calculations correct cargo to 60°F. The temperature difference is 10°F (70°F - 60°F). The correction factor is 10 × 0.0004 = 0.004. The volume reduction is 5,000 × 0.004 = 20 barrels, yielding a net volume of 4,980 barrels.
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