how to check control valve was passing?how to check online?

3 Answers  

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please send me some question papers of HPCL aptitude test ?? please send it to bipinb.28@gmail.com ...

0 Answers   HPCL,

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What is the difference between HMI and Scada?

4 Answers   Schneider,

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i am working in the automation company...i want to just know how actully pid control valves are tune????...

1 Answers  

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what is solenoid valve?

6 Answers   Hindustan Zinc,

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HOW TO CHOOSE FREAQUENCY IN FMCW TYPE RADAR INSTRUMENTS. DESIGN BASIS OR DESIGN CALCULATONS ?

0 Answers   Chevron,

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what is effect of specific gravity in differential level transmitter , explain formula related with this .

0 Answers   Flour Tech Engineers (P) Ltd,

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HOW TO SOLVE PROBLEM WITH ENRAF LEVEL TRANSMITTER 854 ATG THAT PASSWARD DO NOT Exist INTO TRANSMITTER TO ADJUST LEVEL WITH PORTABLE PET 847, WRITTEN WRONG PASSWORD , I AM SURE THAT DEFAULT PASSWARD (W2=ENRAF2) IS THIS TRANSMITTER NEED TO REPLACE SOFTWARE AND HOW?

0 Answers   Lerco,

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how to calibrate flow transmitter

1 Answers   Samsung,

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How can one improve linearity of an RTD based temperature measurement system?

2 Answers   Honeywell,

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What is difference between “Fault Tolerant” & “Fault avoidance” PLC? Application where these system s are used?

0 Answers  

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why we use by pas on a positioner? When can a by pass be not used on a positioner ?

2 Answers  

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