What are the types of control valves available

0 Answers   CCIE,

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when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

2 Answers  

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Air pressure in a pressure vessel can rise or fall at up to 2.5kpa/s.The pressure is sampled every 0.5 seconds.If range of the the pressure indication is 0 to 1500 kPa, what is the max value of the error due to sampling in % of Span

2 Answers  

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can install leveltrol in steam drum for measurment the level of steam drum? if not then why?

1 Answers  

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WHY WE NOT USE 2-20mA,1-20mA,3-20mA or 10-50mA SIGNAL? INSTEAD OF 4-20mA.

6 Answers   Hindustan Unilever Limited, Yashmun Engineers,

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WHAT IS A SYMPTOM OF FAULT WITH THE SPAN OF AN INSTRUMENT? 1)ZERO-POINT AND 100% ARE CORRECT BUT NOT A MID-RANGE. 2)ZERO-POINT IS CORRECT ,BUT 1005 INPUT IS NOT GIVING 100% OUTPUT. 3)LINEARITY PRBS. 4)1005 O/p IS CORRECT BUT ZEO POINT IS WRONG.

1 Answers   Reliance,

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Why hunting will occour in control valve?

6 Answers  

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what is mean by loop checking?

8 Answers  

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how to measure level under ground tank ? which type of transmitter very accuracy ?

3 Answers   Biocon,

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How we select the range of level transmitter in closed vessel ?

4 Answers   Rosemount,

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How is plc installing done

3 Answers   L&T,

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why is not useing in boiler skin thermocople

1 Answers   KNPC,

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