Answer / qamar_alam

close loop means there is feedback.

Flame scanner

1 Answers  

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Why we are using sqare root in flow?

4 Answers  

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what is linerity and non-linearity?

2 Answers  

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HOW TO CALCULATE WAKE FREQUENCY FOR THERMOWELL???WITH OUT SOFTWARE..

1 Answers  

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Could anybody pls give ans of boiler 3 element control system?

5 Answers   Qatar Petroleums,

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What is the difference between a double acting and single acting positioner? what type of valves use single acting positioners?

1 Answers   AquaTech, NamPower, Samson Resources,

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what is the difference between(Flame proof/Explosion proof)& Fire proof instruments.Both are same or different & if different in which way because the transmitter which have approved ATEX flame proof enclouser but it use PTPE O ring & PTFE Head Gasket,so its (fire safe/fire proof)????????

4 Answers  

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how to calibrate differential pressure switch

2 Answers  

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what is positive feedback and negative feedback?

2 Answers   CEPC,

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HOW FOREIGN CONTROL SYSTEM CAN BE CONNECTED WITH DCS?

0 Answers  

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working principle of lvdt?

2 Answers  

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what is the diffrence between pressure safety valve & pressure relief valve....pls

0 Answers   Oil India,

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