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Essar Instrumentation Interview Questions
Questions Answers Views Company eMail

what is the difference between signal cable and ontrol cable?

14 62619

HOW DPT WORKS?

6 15042

Can anybody tell me how to select the size of earthing cable for DCS & PLC system.Please tell me any relevant answer here or mail it to me.

1762

Can any body give detail about orifice sizing?

5 8602

1 bar is equal to how many pound per square inch(psi)?

14 38370

what is the working principle of vortex flowmeter

9 20321

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

12 77938

If i have 4 Allen Bradely make RS logix 5000 PLC and for viewing that we are using 4 RS view SCADA for 4 different packages. Now, I will want to view two packages on only one SCADA. Then how i will do it?

1924

what is the meaning of GK value(fullform) in flowmeter ?

3 22900

how do calibrate the valves.. with clear manual

1643

In bently nevada vibration monitoring system,what is the reason to maintain the Resistance of the probe + extension cable equal to 95 ohm? If possible explain the basic principle of measurement with detail electronic circuits.

2563

what happen if i increase height of displacer type LT.accuracy or sensitivity are affected.why?

2153

What is the SCAN time of a DCS/PLC? What is the typical value for scan time of DCS and PLC?

6 49809

Please tell me details about Sox,Nox,SWAS analyser????

3357

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 4465

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Essar Instrumentation Interview Questions


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what is the PC interface and software for connection to ABB logic module “ LM011-CE18RAC “ ( for Programming ) ??

3530






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511


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211


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649


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735


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376


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631


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646


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509


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496