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Physics, 26.03.2021 04:50, camiloriveraveoxbgd6
1. The difference between a sensor and a transducer is that in a transducer: A. no calibration is required for it to be used B. the measured variable can be converted to an alternative form C. electrical power is always needed D. no electrical power is required at any time 2. A is a safeguard mechanism for coordinating the activities of two or more devices and preventing one device from interfering with the operation of others. A. interrupt B. feedforward control C. adaptive control D. interlock 3. An actuator can also be classified as a transducer depending on whether the physical output has a relationship with the input signal. A. true B. false 4. A common design issue to consider when selecting a sensor for automation is: A. whether it is PNP or NPN B. power required for operation C. robustness D. all of the above. 11. An optical encoder is used to sense speed and position of a rotating shaft in servomotor driven worktable for feedback control. This type of control system uses an OPEN LOOP control system. A. true B. false 4. Which of the following is a good reason for automating a plant
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