Why we are using PLC instand of DCS in ESD System? can u
explain any one?
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Explain the use of hair spring in the pressure gauge.
What is scan time of PLC?
what is differences between singal acting and double action valve
1 Answers Carlo Gavazzi, Welspun,
Determine the manipulated variable, controlled variable, and the measured variable given a description of various typical industrial processes.
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How can corrosion alter the accuracy and precision of a C- Bourdon tube pressure gauge?
Sir i am preparing for PSU exam for ONGC but i am not able to get the appropriate syllabus and previous year question papers. Kindly send me the same, that will be a great help from ur side. OR if anyone can plz send me the papers and syllabus please.
11 Answers Bhel, GAIL, IOCL, ISRO, NTPC, ONGC,
Is SmartPlant Instrumentation taking advantage of the quality assurance procedures within Intergraph?
In instrumentation standard we use 4 to 20ma for transmission , why cant we use 3 to 19ma ?
rtd principle?thermocouple principle?
define optical temperature detector
What is hp & mp seperator .& what is its working principle ?