components of control circuit belongs to control valve

0 Answers   KOC,

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How we can check the 2 wire proxy switch? & how it is connected to DI MODULE OF PLC?

0 Answers  

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temptrure me ketne frequiency hote hai

0 Answers   ME,

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What is shriking and swell effect for a boiler ?

1 Answers  

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why we us isolation barrier in hazardous area how it works to protect the area and please clarify its current flow.

0 Answers  

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Can anybody explain about wellhead control system.

1 Answers  

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I have a MRE200 amplifier for controlling a mitsubishi servo motor, I would like to know how many pulses are required to rotate the servo motor by 1 degree and what must be the pulse width

1 Answers   Essar,

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what is sliding spool valves?

0 Answers  

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i am preparing for BARC ,so plz mail me how to prepare for BARC. ALSO IF POSIBLE SOME RELATED QUESTIONS. MY MAIL ID IS khushi_4uall2003@yahoo.co.in

0 Answers  

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what is absolute pressure, gauge pressure and atmospheric pressure?

2 Answers   Mother Dairy,

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what are the steps to commissioning a DCS system?

2 Answers   BGR Energy,

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any body please send me the old question papers of ongc test.

0 Answers   NTPC,

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