T and F + reason The compensation strain gauge The dynodes of the PM tube The Ha

Question

T and F + reason

The compensation strain gauge The dynodes of the PM tube The Hall device The type thermocouple The LASER for general purpose use The LVDT The LVDT The direction of a strain gauge The natural frequency for crystals for vibration testing The natural frequency of a variable reluctance accelerometer The op-amp can be used to integrate and condition The op-amp is a feedback The operational amplifier (op-amp) is a x terminal device The Peltier effect measures The photo diode depends on photons The photo transistor response time

Explanation / Answer

15) T

       compensation only works if the thermal expansion coefficient of the material matches the adaptation of the strain gauge.

16) T

      The Photomultiplier Tube consists of primary electron, secondary electrons, dynode and anode

19) T

     LASER applications: Medical applications, Welding and Cutting, Heat treatment

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