List of Questions and Answers on Instrumentation and Control Engineering for interview preparation and technical queries.
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Why is signal transmission vital in the operation of large industrial process
systems? -
What is the accepted standard industrial range for pneumatic signals?
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List two advantages and two disadvantages of a pneumatic system.
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What is the standard instrument range for electronic signals?
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Why are electronic signals used almost exclusively in industrial process
systems, particularly electrical generating stations? -
Both pneumatic and electronic signals employ a “live zero”. Explain the
purpose of this live zero. -
A standard electronic transmitter is used to monitor the water temperature in a
vessel. The transmitter is calibrated such that it responds to the temperature
range of 50°C - 100°C. What is the transmitter output when the water
temperature is 85°C? (Answer: 15.2 mA) -
Explain briefly what a trend recorder is, and why one would be utilized.
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