Question: 3.1. Is there a difference between a sensor and a transducer? Use examples to justify your answer. [4 marks] 3.2. Name the basic hardware instruments

3.1. Is there a difference between a sensor and a transducer?

3.1. Is there a difference between a sensor and a transducer? Use examples to justify your answer. [4 marks] 3.2. Name the basic hardware instruments required for process control. [4 marks] 3.3. Distinguish between open-loop and closed-loop systems. [4 marks] 3.4. The EMF of a thermocouple with its hot junction at different temperatures as tabulated below and cold junction at 0C are observed as If the cold junction of the thermocouple is placed in a bath at 20C, what will be the EMF of the thermocouple for the above hot junctions? [7 marks]

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