How Is Specific Gravity Defined?
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Specific Gravity, SG, is a unit less quantity that gives the scientist or engineers an idea of how dense a substance is compared to water. The density of water, which is one kilogram per liter (at 4 degrees C), is assigned a SG of 1.000. If a substance is denser than water, it will have a SG greater than 1.000; if it is less dense than water, its S.G. will be a value less than 1.000 (but greater than zero). Let's say a substance has a density of 2.5 kilograms per liter. That means that its SG is 2.5 (2.5 divided by 1.000).
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- It is a term Related to Relative density
- it is defined as the ratio between the weight of substance and gravity.
- it has no dimensions
- buoyancy is related to specific gravity.
-@RaunacYadav
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