Answer / abdus sattar mollah

Setting Proportional Gain,Reset time and Derivative time in a PID controller so as to achieve the control output is PID controller tuning.
1.Zeigler Nichols Method
2.Cohen Coon Method

What is the difference between instrument earthing and normal earthing? and why is it necessary to do so?

3 Answers   Atul,

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What is megering????

2 Answers  

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Explain the working principle of variable frequency drive?

0 Answers   ABB,

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Dear All can any one told me that VFD Make ABB Model ACS800-01 used for dual Source like 1.DC Source applied at terminal UDC+,UDC- 2. 3 phase 400AC,50Hz

1 Answers  

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How Honeywell FSC is functioning and what is its purpose? Can we bypasa it and only use DCS instead of that.

3 Answers  

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with the help of suitable diagrams different types of control valves

1 Answers  

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IF ASK IN THE INTENVIEW WHAT TYPE OF BMS YOU USE?

1 Answers  

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please send me the inteview questions in IOCL

0 Answers   IOCL,

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What are the advantages and benefits of using PLCs to automate a section of a plant?

2 Answers  

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Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...

0 Answers   Adgas, GAIL, Oil India, ONGC,

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can you suggest good traning institute in instrumentation ? (in automation, or designing)

5 Answers  

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What is the use of gauge?

0 Answers  

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