What is the ratio of the density of a liquid or solid to the density of pure water?
A) Buoyancy
B) Baume gravity
C) Specific gravity
D) API gravity
Answer: C
Explanation: A) Incorrect. Buoyancy is the principle that a solid object will float if its density is less than the fluid in which it is suspended.
B) Incorrect. Baume gravity is the industrial manufacturing measurement standard used to measure the gravity of nonhydrocarbon materials.
C) Correct. Specific gravity is the ratio of the density of a liquid or solid to the density of pure water.
D) Incorrect. API gravity is the American Petroleum Institute standard used to measure the density of hydrocarbons.
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