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what is function of switch, and how is it work, explain with difination
any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.
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1.what is the power consumption of three element drum level control in sugar industries? 2.how to reduce that?
Explain signal isolator
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In which principles tx ,pressure gauge,Temp gauge,control valve works?
Which topics are covered in Process Control?
What is cut off relay? And why use in PLC and DCS?
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Why ac supply load cell is used? Can we use the dc supply load cell?
