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Measurements & InstrumentationDynamic Characteristics

For a first-order instrument described by T dy/dt + y = Kx, K represents the?

  • AStatic sensitivity or gain
  • BTime constant
  • CDamping ratio
  • DNatural frequency
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Correct Answer: A. Static sensitivity or gain
Explanation: At steady state dy/dt=0, so y=Kx; therefore K is the static gain or sensitivity.
Reference: Standard measurements and instrumentation: dynamic characteristics
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