How to calculate weight of oil in oil tanker ship, experimental episode

This episode is about the application of density and specific gravity in engineering, the content explain the density of liquids and the experimental method to measure the specific gravity and density of liquids.
Basically, the weight of any liquid inside the closed container or tanks, can be calculated by using mass to unit volume equation. The specific gravity of liquids can be measured by using hydrometer, the density of the liquid can be calculated by multiplying the specific gravity by 1000.
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Video Time Frame:
0:17 Introduction
0:26 What is density
0:39 What is specific gravity
1:15 What is hydrometer
2:37 Density column
4:01 Application of density
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