Answer / manoj

First match zero of cv by callibrating zero error. If still the pressure transmitter/gauge shuffles value then there is passing in the valve

Answer / satya

give 100 % close command to cotrol valve if u phsically check valve is 100 % close the open the downstream drain valve if proces fluid comes then valve is passinf . if theie is flow transmitter before cv u can also check

Answer / harsh mehta

by zeigler nicols method,,,,,,we can do tht,bro

While giving Power Supply of 24 VDC to a Transmitter,why Shield Terminal is connected either at Transmitter or at ISB.Why not Shield Terminal connected at both ends.If the Reason is to avoid Noise interference,which type of noice that is interfering.Is the Noice from the 24 VDC supply terminals or from any external source.

1 Answers  

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please any body have most important data for study for saudi aramco test of instrument QC thanks email shahnaveedullah@gmail.com

0 Answers  

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what is dry leg and wet leg in transmeter calibration?

3 Answers  

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how we can calibrate split range control valve?

1 Answers  

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why flow transmitter showing 2.2ma?

2 Answers  

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What is the role of Integral in pid control?

6 Answers  

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I want to know about DDCMIS in detail ? please explain it. Also give name of reference books in which it is explained in detail in very simple manner.

0 Answers  

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Please explain about FAT? What is the difference between FAT and SAT?

6 Answers   IBM,

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What is meant by cold float of compressor shaft.

1 Answers   Sabic,

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Identification of control valve parts.

0 Answers   CCIE, Oil and Gas Jobs,

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What is meant by GAP VOLTAGE, in vibration measurement. Normally how much GAP VOLTAGE is set and state the reason.

3 Answers   ADMA OPCO,

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Any body have know try work calculation ???

0 Answers  

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