Answer / sandy

Please suggest if we have Nitrogen Drop of MMWC from 1000 to 900 in 8 hours in Nitrogen tank, then how much is Consumption in cubic meter / h. ?

How is plc installing done

3 Answers   L&T,

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On drum level, why we are using air to close Control valve?

4 Answers   L&T,

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I have a problem with a valve (air to close). When it is fully closed and try to open 1% it doesn't responce till 3% open suddenly more than 3% then back to 3%. I tried to tune positioner then removed it, the problem still exist. Any idea

3 Answers  

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what is the difference between Ethernet unmanaged and managed Switch?

2 Answers  

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What is governor of turbine?

3 Answers   Reliance,

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what does a positioner in control valve ?

11 Answers  

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Why some transmitter shows flow in MMWC and some in TPH?

2 Answers  

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what is transducer?

13 Answers   Sofcon,

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You are looking at the RS-485-side of an RS-232/RS-485 converter and the power supply voltage for the converter is +5V. Under idle conditions (no transmission), and assuming you have enabled the RS-485 output: what would you expect at: (a) Output A measured against output B (b) Output A measured against ground (c) Output B measured against ground

1 Answers   EIT,

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difference between null and deflecting instrument.

5 Answers   ONGC,

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Turbidity analyzer working principle ?

0 Answers   Tata Steel Limited,

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What is the reason for not giving very High Proportional Gain Kp in PID Controller?

2 Answers   ABB,

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