Question

explain the advantages and disadvantages of hydrometer

at least four

in points

Answer 1

Using a hydrometer has the advantage of only involving singular measurements and is an effective method to measure liquids. A disadvantage of using a hydrometer is that there is typically more waste and a longer cleaning time.

What is a hydrometer?

An instrument for measuring the Density of a liquid. The density of the Acid in a car Battery, changes as the stored electrici charge in the battery, is used to power things. A Hydrometer is commonly used to measure the Acid Density in Lead/Acid car batteries. The result of the Hydrometer reading let's you know how much electric charge is left in the battery. It is most commonly used to find out whether or not, the battery is old and depleted, or still in good condition. Go to Wikipedia to find out what a Hydrometer looks like.

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Answer 2

Advantages:

1) Simple method
2) Quick measurement (*)
3) Inexpensive instrument
4) Special instruments with direct readings in Alcohol%, Sugar% (BRIX) or other density related values available

Disadvantages:

1) Breakable glassware
2) Long and difficult thermostating
3) Very small measuring range (requires several hydrometers to cover a wider range, typically 20 units)
4) Difficult to clean and dry

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