What is the purpose of valve positioner. Explain 4 uses.

2 Answers   SRACO,

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how to work gas chromatography explain principle ?

2 Answers  

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I want to buy a seal kit of a pneumatic power cylinder.But I don't know it's specification.So please help me to know its specification.

0 Answers  

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How comparison of objects is done in PHP5?

1 Answers   TIS,

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how is a displacer type level transmitter calibrated.explain the method?

2 Answers   Emirates,

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How to work togather like sov,limit switch,proxy switch and booster in xv

0 Answers  

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Please anyone answer my question, what is the difference between single acting and double acting control valve, in what condition we better choose single acting rather than double acting

2 Answers  

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What is the full form of PMMC ?

7 Answers   DVC,

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what is the difference between transmitter and smart transmitter ?

4 Answers   Aditya Birla,

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What is difference between ESD and PLC please Explain me clearly.

0 Answers  

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what is the difference between mmhg & mmwc?. i want to calibrate a transmitter in the range of -100 to 300 mmwc. Which is the reference for calibrate the Tx,if mmwc not available?. Is it mmhg or mmho2?.

3 Answers   UPL,

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Explain level troll principle & interface level measurement.

1 Answers   ADMA OPCO,

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