what is the use of conrol cable..?
Control cable are used for to control the equipment like
motor, VFD, MOV from the control room.
it's normally 3 to 4 core cables.
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why OPC server is used in DCS?
what is hart communicater? can u give brief explanation about this issue?
what is function of ESD , and how is it work, explain with difination
1 Answers Bapco Bahrain Petroleum Company, BMB,
i am from instrument branch i want paper patern of mahagenco . any pevious years paper regarding my branch send me please . please.....
What is the constant voltage unit?
what is difference between differial pressure & delta pressure?
how to install the Ph and Conductivity analyser? is there are any procedures which has to be maintained.
What is the meaning of Feedback? How many types it is? Explain it?
What are the different types of temperature sensors and the principle they work on?
any body please send me the old question papers of ongc test.
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