Physics · Transducers and Instrumentation
Regarding transducers and instruments, consider the following statements: (A) An optical interferometer is useful for measuring extremely small motions. (B) The damping ratio of a seismic instrument should be kept as low as possible for good dynamic performance. (C) A rate gyro is a relative motion measuring device. (D) A pneumatic motion transducer is non-linear over a wide range of motion. (E) A piezoelectric accelerometer can only be used for static motion measurement. Choose the correct answer from the options given below:
- 1(A) and (B) only
- 2(A) and (C) only
- 3(A) and (D) only✓
- 4(C) and (E) only
Correct answer
(A) and (D) only
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