Multiple choice general knowledge science & technology

Which of the following instruments is used to measure pressure of gases?

  1. Barometer

  2. Ammeter

  3. Manometer

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A manometer is specifically designed to measure gas pressure. A barometer measures atmospheric pressure only, while an ammeter measures electric current - neither is used for gas pressure measurement.

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