what is different betwen Process zero and atm zero?

1 Answers  

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i want formula for flow control.am doing project in flow control using orifice . i know value of the flow level(Q) . upstream(p1) pressure, orifice diameter(Do) , pipe diameter(Di) and oil viscosity(Vi) how can i calculate downstream pressure

0 Answers  

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What should be the ideal tapping location for pressure differential transmitter for liquid service. If the tapping taken from the top of the pipe then PDIT will work properly or not. If PDIT do not work properly then what minimum corrective action should be taken in order to solve wrong tapping locations.

1 Answers  

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what is the difference between laminor flow and turbulant flow

2 Answers   Invensys,

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If any control valve create hunting problem, what is the possible reason and solution?

6 Answers  

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Hi, I'd like to know the purpose of MOS (maintenance override switch). At site, these switches are installed in a stanchion with the transmitter (connected to ESD). thank you.

3 Answers   Adani, Adani Wilmar,

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which type of rtd is good for any system,2wire,3wire or 4 wire

9 Answers  

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If we increase only P what will be controller action ?

0 Answers   IMECO,

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Tr. Wiring for calibration.

0 Answers   CCIE,

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I have a orifice installed in plant which is design for 0~100 inH2O for 0~80MMSCFD, now due to process change the maximum flow is change to 120 MMSCFD so for this new process value what will be the DP across orifice.

1 Answers  

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What is the IEC Standard for PLC I/O Terminal wiring Procedure?

1 Answers  

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how to calibrate steam control valve in steam turbine

0 Answers  

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