1. The process known as signal compression is used with a(n) ____ amplifier. A) log B ) instrumentation C) Antilog D) isolation Answer: B ) instrumentation 2. An automatic toaster is a ______ loop control system. A) open B) closed C) partially closed D) any of the above Answer: A) open 3. Instrumentation amplifiers are normally used to measure A) small differential signal voltages B) signals superimposed on a common-mode voltage often much larger than the signal voltage C) both of the above D) none of the above Answer: A) small differential signal voltages 4. What is the function of a ladder network? A)Changing a digital signal to an analog B) Changing a linear signal to a digital C) Changing an analog signal to a digital D) None of the above Answer: A)Changing a digital signal to an analog 5. Which of the following devices are commonly used as error detectors in instruments ? A) Vernistats B) Microsyns C) Resolvers D) Any of the above Ans
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