Answer / sandip patel

The shrink/swell effect is caused by small pressure changes causing bubbles in the tubes to reduce (shrink) or increase (swell) as a result of small changes in pressure - so that the mixture of steam and water in the tubes remains at the saturation temperature for the pressure at each location

i am confusing about differential pressure transmitter as i seen so many DPTs in different ranges how can we calculate level and flow with mmh20 plz tel me

1 Answers  

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Explain how thw analog to digital converter works with the circuit diagram

0 Answers  

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Sir i am preparing for PSU exam for ONGC but i am not able to get the appropriate syllabus and previous year question papers. Kindly send me the same, that will be a great help from ur side. OR if anyone can plz send me the papers and syllabus please.

11 Answers   Bhel, GAIL, IOCL, ISRO, NTPC, ONGC,

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.how does CSADA systems display the process variable value?

2 Answers   Empower,

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how to tune siemens sipart electro pneumatic positioner..plz tel me..

0 Answers  

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Can anyone explain about ELectropneumatics principle?

1 Answers   Forbes Marshall, Step,

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What is surge in compressors? How to detect and control it?

3 Answers   Kharafi National,

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WHAT IS MEANT BY PROJECT MANAGEMENT STRATEGIES IN INSTRUMENTATION?

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in split range control system we are using two control valves,but we have only one positioner and one feed back link.so how we use this one feed back link for two control valves?

2 Answers  

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we have level transmitter for h2s04 storage tank capacity 10k ,always there are failure of transmitter due to failure of magnetic floats ,please come up with solutions at the earliest.

0 Answers   TechNova,

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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 XV and KV valves?

4 Answers  

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