What is SCR?

9 Answers  

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WHAT IS THE DIFFERENCE B/W PLC and DCS

10 Answers   Bhel,

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what is the difference between mmhg & mmwc?. i want to calibrate a transmitter in the range of -100 to 300 mmwc. Which is the reference for calibrate the Tx,if mmwc not available?. Is it mmhg or mmho2?.

3 Answers   UPL,

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why 4 to 20 ma used at 0 set

2 Answers   Borouge, Yokogawa,

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sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

0 Answers  

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what is RTV function in in process control?

0 Answers   Colgate,

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On drum level, why we are using air to close Control valve?

4 Answers   L&T,

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what is the meaning of Domain server?

2 Answers  

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Related to control system, What is difference between 4-20 mA active & 4-20 mA pasive signal.

1 Answers  

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When can a bypass not used on a positioner?

1 Answers   CCIE,

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what is the role of proportional in process control?

6 Answers   OGDCL, Trident,

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on which principle control valve works?

3 Answers   Lupin, Reliance,

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