Explain Fluid mechanics or properties - specific gravity, Civil Engineering

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Fluid Mechanics or Properties - Specific Gravity

Dimensionless ratio of a fluid's density to some standard reference density. For liquids and solids, the reference density is pure water.

SG liquid = ρ_liquid/ρ_water ρ_water = 62.4 lb/ft³ @ room temperature

Oils and hydrocarbons have specific gravities less than 1.

Acids, caustics and wastewater sludges have specific gravities greater than 1

Greek symbol: none

Units: none - dimensionless

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