Explain any simple temperature control system.

3 Answers   HGJ, L&T,

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if the t/c o/p is 4-20mv then how plc recognize it because we are dealing with the 4-20ma in the plc ????????????????

7 Answers  

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Can be operate control valve without positioning if yes ? how and why?

4 Answers   Focus,

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what is o2 analyzer and how it measured ,what is the role of this analyzer in cfbc boiler...

0 Answers   Mittal Steel,

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plz give me the logic for how a pushbuttoon can be worked as atoggle switch i m working with allenbradely/micrologix1200/rslogix500

3 Answers  

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What is 1:1 redundancy ?

0 Answers  

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Where are use of pressure,level,flow switches?and what is input and output

3 Answers  

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what is procedure of calibration of remote seal transmiter, botom to top flanch 850mm, fluid liquid density .73, transmiter fixed on a fractionation colum, under vaccume 10mbar

4 Answers  

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What is the deffernce bet. Instrumentation and Electrical Enginerring?

1 Answers  

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in the pipe line if the control valve fails to respond to controller action,by what means we can stop the flow in the pipe line ?

9 Answers  

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modbus and profibus communication difference?

1 Answers  

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what is Dry Leg calibration and where is it used

1 Answers   Petrofac,

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