i am working in the automation company...i want to just know how actully pid control valves are tune????...

1 Answers  

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What is loop checking ?

10 Answers   Kharafi National, Petrofac, Samsung,

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why twisted pair of wires is used in instrumentation ?

6 Answers   ONGC,

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why we take 4 to 20 mA as out put of every instrument like pressure transmittre ?why we cant take 0 to 20mA as output?

6 Answers   OGDCL,

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Will Intergraph support SmartPlant Instrumentation in an AutoCAD or MicroStation environment on a long-term basis?

1 Answers   Siemens,

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what is the resource block mode in foundation field but ? what is advantages for this

1 Answers  

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What is the use of double seated valve?

0 Answers  

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I want to measure bidirectional steam flow? Kindly suggest me a suitable flow meter. steam is superheated at 41kg/cm2, 350°C

2 Answers  

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Is an analogue only transmitter as accurate as a smart transmitter?

2 Answers   SCA,

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what is function of ESD , and how is it work, explain with difination

1 Answers   Bapco Bahrain Petroleum Company, BMB,

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How to Calibrate Transducers? Can you give me a step by ste procedure?

1 Answers  

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how many maximum enter 2mm Dia solid cylindrical pipe into 8mm Dia hollow cylindrical pipe. give answer with calculation.

0 Answers  

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