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Home ‣ Electronics ‣ Measurement, Conversion and Control Comments
  • Question

  • The triac provides better dc power control than the SCR.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Measurement, Conversion and Control problems

    Search Results

    • 1. Displacement, velocity, and acceleration can all be measured by using specific motion transducers.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. A strain gauge uses the principle of capacitance for its operation.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. Noncontacting displacement transducers include optical and capacitive transducers.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. A basic sample-and-hold circuit consists of an analog switch, a capacitor, and an instrumentation amplifier.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The change in value of the analog signal during the sampling process produces what is called the quantization error.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. A resistance temperature detector produces a voltage for a given change in temperature.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The SCR is ideal for ac applications.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The ________ are two types of acceleration transducers.

    • Options
    • A. LVDT and the piezoelectric
    • B. magnetic and the piezoelectric
    • C. RTD and the magnetic
    • D. LVDT and the RTD
      • Discuss
    • 9. The three types of relative pressure measurement are ________.

    • Options
    • A. exact, reflective, and referenced
    • B. absolute, exact, and differential
    • C. absolute, gauge, and reflective
    • D. absolute, gauge, and differential
      • Discuss
    • 10. The voltage produced by a thermocouple is called the _________.

    • Options
    • A. hot junction voltage
    • B. cold junction voltage
    • C. Seebeck voltage
    • D. Hooke voltage
      • Discuss

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