Explain PID controller tuning & any one method used for it.

1 Answers   L&T, Oil India,

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I am going to attend a recruitment drive by Schneider in 2 weeks. They have a technical test in the beginning. I would like to know what are the areas i should concentrate on while preparing for the test. My major is Electronics and Instrumentation.

1 Answers  

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What is differnece between leveltroll and interface leveltrol?

2 Answers  

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describe flow nozzel principle?

0 Answers   SEWA,

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what are procedure of sox-nox calibration

0 Answers   TATA,

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we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.

0 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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1.what is controller proportional gain 2.what is the controller intergral action time. 3.A proportional plus derivative controller that has a proportional band of 20% and a derivative action time of 0.1 minutes. Construct the shape of the output waveform for the triangular input if the input rises and falls at the rate of 4 units per minute.

0 Answers  

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in transmiters(rose mount) how to check output 4-20ma ? and input 24v? i need exact explanation?

2 Answers   Adhunik,

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what is the basic working principle of I/P and Positioner in any control valve.

12 Answers   Essar, Visa Steel,

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Identification of ss fittings, pilot valves, relief valve.

0 Answers   CCIE,

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What is the difference between working pressure and calibration pressure of a control valve

0 Answers  

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