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Atmospheric Pressure

A manometer i...

Question

A manometer is used to measure

A

Height

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B

Pressure

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C

liquid density

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D

Atmospheric pressure

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Solution

The correct option is B Pressure
A manometer is any device used to measure pressure. However, the word manometer is commonly used to mean a pressure sensor which detects pressure change by means of liquid in a tube.
Manometers are differential pressure sensors. A differential pressure sensor measures the difference between a pressure being applied to it and a reference pressure (often atmospheric pressure).

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