Answer / stanley

upstream and downstream

What is the detail function of I/O card in DCS ? Why we dont use the I/O directly with controller?

3 Answers   Kekran Mekran, TCE,

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what do u mean by compensating?in power plant where are compensating done?how level , flow compensated?

1 Answers   TATA,

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Give an example where you had aproblem on the job, and tell me how you solved the problem. and the finalvoutcome.

0 Answers   American Steel,

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what is meant by calibration

20 Answers   Exxon Mobil,

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how can calibrate vacume trasmitter by HART COMMUNICATOR ?

3 Answers   Bajaj, IMECO,

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what is the difference between(Flame proof/Explosion proof)& Fire proof instruments.Both are same or different & if different in which way because the transmitter which have approved ATEX flame proof enclouser but it use PTPE O ring & PTFE Head Gasket,so its (fire safe/fire proof)????????

4 Answers  

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Drum level tx with GP4 with zero elevation:7300mmh20 on HP and 8050mmh2o on LP as range but on commissioning the tx readiing is max,Why this reading?

0 Answers  

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When a field input to plc is coming from 400 to 600 meters and the input is in 24 V DC? So signal cable of which cross section i should select for proper signal to plc?

5 Answers   Exxon Mobil,

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How an rtd work, and what volts/current goes to a rtd to measure the resistance?

0 Answers  

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what is all types of analyzer in water production plant?

1 Answers   Marafiq,

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What is scale factor of proximitor & unit of the viabration.

2 Answers   Sabic,

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how we can calibrate split range control valve?

1 Answers  

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