Answer / bunny

By using a PID controller we can eliminate the offsets and
unwanted oscillations of the process variables we are
dealing with and will get the process variable value close
to the set point value.For that we need to tune the
controller properly and select proper values for P,I and D

what are the documentation and instrument identification system used to identify the correct device to be calibrated? name atleast three.

1 Answers  

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pls provide me syllabus and old question paper of instrumentation engineering for GET(JSPL)

0 Answers  

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What happens if the Displacer has fallen or has a hole in it?

1 Answers   CCIE,

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What is the procedure of mounting new positioner on pneumatic control valve?

1 Answers  

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relation between flow and differential pressure.

7 Answers   ABB,

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How to make position transmitter feedback reverse i.e at valve close i want 20ma output and at full open 4ma.for the NELES positioner,model:ND8261/TS1.

3 Answers  

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What is ptw and write 3 types of ptw?

5 Answers   Emco,

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What is the difference between PLC and DCS?

4 Answers   Honeywell,

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How to work mass flow meter ?

1 Answers  

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how u calibate pr tx without master tx?

2 Answers  

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in a electronic controller why we are using 250 ohm resistance in input signal?is i/p is necessary in control valve when we are using electronic controller give details?

3 Answers   IOCL,

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what are the following documents comes under loopchecking

1 Answers   Heisco,

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