Question

Ratio of specific weight of the liquid to specific weight of a standard fluid is

Answer 1

specific gravity of liquid

Answer 2

Ratio of specific weight of the liquid to specific weight of a standard fluid is known as Specific gravity of the liquid.

• Specific gravity or Relative density of a substance is defined as the ratio of substance density to the standard substance density.
• It is a dimensionless quantity.
• The formula of Specific gravity is given by; $Specific gravity / Relative density = \frac{ρ_{substance} }{ρ_{reference} }.$

• Specific gravity for liquids is measured with respect to water, at standard temperature (ρ = 1000 kg/m³).
• For gases, the standard reference is air at room temperature (ρ = 1.02 kg/m³).
• Specific gravity is being applied in many fields. Gemologists use it to distinguish similar gems; chemists, to check on the progress of reactions and the concentration of solutions; and auto mechanics, to test battery fluid and antifreeze.

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