What is the basic difference between 2 Wire, 3 Wire and 4 Wire RTD

2 Answers  

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What kind of feedback is used in DP cells.

1 Answers   CCIE,

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Who to difference between analog in & analog out in dcs?

0 Answers  

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how to calibrate a capillary type level transmitter for a closed tank in field? also what is the procedure for commissioning a capillary level transmitter for a closed tank?

2 Answers  

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What safety precautions you will adopt to work on Steam service control valve?

1 Answers   QAFCO,

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How will you measure surface temperature of SUN?

2 Answers   GAIL,

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How does a single acting, spring return ball valve actually work? Does it require continuous air supply? 

0 Answers   Process Control Technologies,

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we have LPG spherical Tank and we want to install DP Xmtr for level measurement.below are the physical measurements Total height of tank is 1850 mtr but 0% level is 1000mm above bottom and 100% level is 450 below upper side.What is the LRV and URV and please mention the formula .The SG of LPG is 0.53 and Wet Leg method will be used.

7 Answers  

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plc trouble shootings?

3 Answers  

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What is offset in a control system.

2 Answers   Sabic,

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without color coding, without nameplate, without multimeter how can you find the type of thermocouple???

1 Answers   Sabic,

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What is defferent betwen ESP &PCP PUMP .HOW IT IS WORK?

0 Answers   Jindal,

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