what is positive feedback and negative feedback?

2 Answers   CEPC,

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Explain about P&ID diagram?

3 Answers   Technip, Toyo Denki,

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In my company plc based winders are operated. one day there was a data transmission failure alarm shown on pc. as per sir instruction we have reset master plc but winders were not triped and alarm gone. so what master plc do?

0 Answers  

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what is the process to make control schematic ?

0 Answers  

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Qatar fertilizer call me for interview as Instrumentation Project Engineer. Please let me know what kind of question they asked ? ALso they said they will take Written test, any idea about this written test ?

1 Answers   QAFCO,

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WHY WE R NOT USING THE TURBINE FLOW METER IN THE STREAM SERVICE ? pl explain?

3 Answers  

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hydrogen purity meter calibrating and commissioning procedure can be explained?

1 Answers  

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How to calibrate Toxic gas detector?

0 Answers   Supertech,

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How to convert 4 wire level transmitter connection to 2 wire.

2 Answers  

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What is first echo & echo window in radar type level transmitter?

0 Answers  

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hay friends, i am in trouble to understand PID controller. several times i have study but it is not clear to me have you a simple way to understand.

1 Answers  

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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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