what is vibration sensor working principal and how many types its has??

5 Answers  

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why we are using 4-20ma why cant we use 4-40ma

3 Answers  

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how many type of control valve?

10 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 gas metering system? gas chromatograph? and gas compressors?

0 Answers   HPCL,

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how u measure dp in dp tx? how u calibrate a dp tx?

3 Answers   Invensys,

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Can combine control system for Emergency control system (ESD)and Fire & Gas System ( F & G) is possble to built and offer to client? Can such system is as per Norms in India?

0 Answers  

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How does work A temperature valve or fv control valve in process plz brief me

0 Answers   Jindal,

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Draw a group of instruments interlocked to a Pump & Motor?

0 Answers  

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Why plc require in analog input 4-20amp & 0-10 volt?

0 Answers  

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Level in tank under vacuum (Ex: Condensate Tank of Power Plant)is measured using D. P. type level transmitter. Tank is subjected to vacuum of 755mmHg. Is it possible to fill wet leg ( i.e. leg connected to top of vessel with low point of D. P. xmtr) with water?. Are there chances of water getting sucked under vacuum? if yes, what is the solution?

3 Answers  

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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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