what is ILD

1 Answers  

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Explain pH, Conductivity.

0 Answers   CCIE,

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why we set -10 volt in vibration sensor output,why not +10 volt

3 Answers   Sabic, TVS,

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what is Micro-switch and where it is used......?

7 Answers  

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the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)

0 Answers   GNFC,

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SIR MAY I KNOW IF RADAR TYPE LEVEL TRANSMITTER SHOWING IN THE FIELD 0 % LEVEL AND IN DCS SHOWING 100% THEN WHAT IS THE CAUSE I CLEAN THE CHAMBER & TAKEN ONLINE BUT ONLY ONCE ITS BECOME ZERO IN DCS BUT AGAIN 100% SHOWING IN DCS,THEN I REMOVE THE POWER SUPLLY AND CONNECT IT AGAIN .IS IT OK BUT STILL IN THE DCS ITS 100% AND ON THE DISPLAY ITS INITILAZIATION PLEASE HELP ME READRING THIS?

4 Answers  

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where are following valves are applicable to install. can any valve be installed any line. globe valve butterfly valve boll valve gate valve

0 Answers  

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plz send me general of ongc

0 Answers   ONGC,

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State bernoulli’s application.

0 Answers  

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What is the use of +/- 20ma in analog measurement,and which instrument gives +/-20ma output

1 Answers  

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We do have a problem in the company that is one PT connected to PlC which is mean 1 out of 1 in PLC system we do have the PAHH is 55 mbar and PALL 8 mbar with a timer of 15 sec for the PAHH the problem started when PAHH goes more than the set point which is 55 it reached up to 71 but due to timer doesn't trip . We force it and we checked everything nothing there . We replaced the transmitter problem still there the reading goes more than the 55 bar the range for transmitte is 0- 60 mbar . So we did loop check , aculaizing valve , wiring all are okay . What the possible causes for this ???

2 Answers   National Petrochemical Company,

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for what purpose strain guage is used?

5 Answers  

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