what is the diffrence between plc&dcs

4 Answers   HCL, Hindustan Zinc,

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What happen if I install my pressure transmitter below the elevation of pipe in natural gas service?

0 Answers  

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in split range control valve,two valve should be in two different line and that should have some distance,and we have only one positioner feed back link.so how we connect one feed back in two control valves?if you have picture please forward me.my email id kb.syamkumar@gmail.com

2 Answers  

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please send me the inteview questions in IOCL

0 Answers   IOCL,

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Pressure transmitter working Principles?

1 Answers  

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difference between span and range

3 Answers   IOCL,

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What Is Pre- Commissioning Package +what is DCS & ESD Pre- Commissioning for Instruments Please explain your answer on practical ground base

0 Answers  

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what is the advantage by using PID controller than P& PID?

1 Answers  

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A pressure Tx accuracy is 0.2%. Signal o/p is 4-20ma.span is 16 Ma.how many deviate the o/p then calibration needed

1 Answers  

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how to wire from pressure transmitter to marshalling panel and panel to controller and controller to dcs plz give the answer with example .

2 Answers  

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what is Instrumentation?

5 Answers   RCL, TCS,

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why thermocouple called thermocouple?

4 Answers  

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