Question

What are the parts of hydrometer and its functions?

Answer 1

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Hydrometers consist of two parts:

1. a stem
2. a bulb

• The slender tube above the larger tube is the stem It is hollow glass with a rounded end.

• The straight, cylindrical stem is calibrated by which the density or specific gravity of the test liquid is measured.

Answer 2

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A hydrometer is an instrument used for measuring the relative density of liquids.

• It is based on the concept of buoyancy.
• They are typically calibrated and graduated with one or more scales such as specific gravity.