Question

Why do accelerometers that include fluid damping exhibit reduced damping?

(a) State of fluid

(b) Density

(c) Pressure

(d) Thermal characters

I got this question at a job interview.

I'm obligated to ask this question of Accelerometer in section Satellite Radio Navigation  & Inertial Navigation of Avionics

Answer 1

Right option is (d) Thermal characters

To explain I would say: Accelerometers that include fluid damping exhibit reduced bandwidth and additional thermal sensitivity due to changes in fluid characteristics. Thus flexure pivoted accelerometers are better than floated instruments.