Consider a control valve action,the inlet air pressure is only 6 ksc but physically how it can be operate against 100 ksc line fluid pressure?

2 Answers   SCS,

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What is the difference between instrument earthing and normal earthing? and why is it necessary to do so?

3 Answers   Atul,

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What is the use of each wire in three wire RTD

0 Answers   GSPC,

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why do 4 mA serves as 0% not 0 mA?

10 Answers  

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how can we calibrate RADAR LEVEL transmitter 0% to 100%

3 Answers   Chevron Phillips, Honeywell,

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What is possitive and negative feedback?

3 Answers   KNPC,

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can any one tell me when ongc placement test and its forms is available????/ pls tell me if u know

0 Answers  

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how to overhaul control valves.what are the proper procedures.

1 Answers   Jindal, QAFCO,

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What is Electrical Runout & Mechanical Runout in Vibration measurement.

1 Answers  

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hi everybody. right now i am working with thermal power plant. our company plant is tripped because of program corrupt. i would like to know is it possible when the plant is running. we are using FREELANCE ABB800F CONTROLLER.

2 Answers  

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Why we use 4 - 20 ma?

6 Answers   IJT, ONGC,

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How can we measure the level of a closed system like drum

3 Answers  

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