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  • Calculation example - Determine the specific gravity of a soil grain Gs

Calculation example - Determine the specific gravity of a soil grain Gs

Written by  TheCivilEngineer.org

Calculate the ratio of the density of coal ash to the density of the water (Specific gravity of coal ash Gs)

Calculation example - Determine the specific gravity of a soil grain Gs

 

Known values:

A 90 g sample of coal ash.

Total mass of pycnometer (a density bottle) with coal ash inside and filled with water = 720 g.

Mass of clean pycnometer filled only with water = 670 g

 

Solution:

Step 1: Find the mass of the water displaced by coal ash (i.e , same volume V) using Archimedes' principle.

example

 Step 2: Specific gravity of coal ash calculation

example 2

 here:

ρs the density of the dry coal ash

ρw the density of the water displaced by coal ash inside pycnometer

 

 

 

More in this category: « Gauss's Area Calculation Formula
Read 5480 times Last modified on Wednesday, 12 July 2017 10:53
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