Question

which one is not a type of vibration measuring instrument a.mechanical b.electrical c.magnetic d.fluidic​

Answer 1

Answer:

option C:- Magnetic.

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Answer 2

From given option none of the option is correct .The vibration measuring instrument is accelerometer.

Explanation:

• An accelerometer is a tool that measures proper acceleration.
• Proper acceleration is the acceleration of a body in its own instantaneous rest frame; this is different from coordinate acceleration, which is acceleration in a fixed coordinate system.
• For example, an accelerometer at rest on the surface of the Earth will measure an acceleration due to Earth's gravity, straight upwards (by definition) of g ≈ 9.81 m/s2.
• By contrast, accelerometers in free fall (falling toward the center of the Earth at a rate of about 9.81 m/s2) will measure zero.