Question: Name courses is Chemical process dynamics, instrumentation and control Maximum Marks: 10 marks X. In an Octal petrochemical plant a temperature measuring sensor is used

Name courses is Chemical process dynamics, instrumentation and control Maximum Marks:

Name courses is Chemical process dynamics, instrumentation and control

Maximum Marks: 10 marks X. In an Octal petrochemical plant a temperature measuring sensor is used to measure the temperature of the oil bath having the time constant of 0.3min. The sensor is initially at a temperature of 30C. At time the the instrument is placed in a temperature bath maintained at a constant temperature of 120C. Considering the thermistor as a first order system with unit steady state gain, a) Determine the temperature reading showed in the thermistor after 0.5min. (2) b) If after attending steady state value if the sensor gets out from the bath determine the temperature reading after 0.4min. Room temperature is 30C. (2) c) What is the maximum reading of the thermometer? (1)

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