Question

Unit of specific gravity is _________

(a) g/cm

(b) g/cm^3

(c) kg/m^3

(d) dimensionless

I got this question by my school principal while I was bunking the class.

I'd like to ask this question from Dimensions and Units topic in chapter Introduction & Unit Systems of Food Processing Unit Operations

Answer 1

Correct answer is (d) dimensionless

Easy explanation: The Specific Gravity of liquids and solids is defined as dimensionless unit. It is the ratio of density of a material to the density of water at a given temperature.