🔍 Key Concepts

• Standard petroleum "barrel" used in cargo calculations • The exact number of U.S. gallons in one standard barrel • Reference temperature commonly used for liquid volume measurement in marine cargo work

💭 Think About

• Which choice matches the standard oil-industry barrel used for crude and product cargo calculations? • Think about what temperature is normally used as the reference condition for liquid volumes in petroleum measurement standards. • Eliminate any answers that use a non-standard volume or temperature for marine petroleum cargo work.

✅ Before You Answer

• Know the standard number of U.S. gallons in one petroleum barrel used in tanker work. • Recall the standard reference temperature (in °F) for volume measurement of petroleum products in the U.S. • Verify that both the gallons AND the temperature match the standard before picking your answer.