Measurement, Conversion and Control problems
- 1. A(n) _____ can be rapidly switched on and off remotely by another controlling circuit.
Options- A. triac
- B. diac
- C. RTD
- D. zero-voltage switch Discuss
Correct Answer: triac
- 2. The number of bits in a digital word determines the number of digital combinations that will be represented. The number of combinations can be calculated by ________.
Options- A. raising 2 to the number of bits in the analog word
- B. raising 2 to the number of bits in the digital word
- C. multiplying 2 by the number of bits in the analog word
- D. determining the range of the analog word Discuss
Correct Answer: raising 2 to the number of bits in the digital word
- 3. The ______ is composed of a transformer with a movable core, a primary, and two secondaries.
Options- A. LVDT
- B. strain gauge
- C. accelerometer
- D. transformer displacement sensor Discuss
Correct Answer: LVDT
- 4. RTDs, strain gauges, and pressure transducers are _____ devices.
Options- A. resistive
- B. inductive
- C. capacitive
- D. solid-state Discuss
Correct Answer: resistive
- 5. The two most common types of analog-to-digital converters discussed in this chapter were the ______.
Options- A. linear converter and the analog converter
- B. linear converter and the successive approximation converter
- C. flash converter and the analog converter
- D. flash converter and the successive approximation converter Discuss
Correct Answer: flash converter and the successive approximation converter
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