API gravity describes which of the following?

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Study for the Junior Officer Surface Material Readiness Course Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

API gravity describes which of the following?

Explanation:
API gravity is a measure of how heavy or light a petroleum liquid is compared with water. It’s essentially a density comparison: liquids with higher API gravity are lighter than water, while liquids with lower API gravity are heavier. For context, a liquid with the same density as water has an API gravity of 10. This makes the statement describing the weight of the fuel relative to water the correct description. Vapor pressure, boiling point, and color are governed by other properties and are not what API gravity quantifies.

API gravity is a measure of how heavy or light a petroleum liquid is compared with water. It’s essentially a density comparison: liquids with higher API gravity are lighter than water, while liquids with lower API gravity are heavier. For context, a liquid with the same density as water has an API gravity of 10. This makes the statement describing the weight of the fuel relative to water the correct description. Vapor pressure, boiling point, and color are governed by other properties and are not what API gravity quantifies.

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