what is upstream and downstream in liquid flow?

6 Answers   Thermax,

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In bently nevada vibration monitoring system,what is the reason to maintain the Resistance of the probe + extension cable equal to 95 ohm? If possible explain the basic principle of measurement with detail electronic circuits.

0 Answers   Essar,

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I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann

0 Answers  

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Control valve question what is the meaning of cauge.?what is the use of cauge?

1 Answers  

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why temperature transmitter is showing ambienttemp.but 21.5ma. alarm AO showing at the display &how to sloves this problem.

2 Answers  

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Why we use the remote seal transmitters

1 Answers   Oil and Gas Jobs,

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Calibration procedure for electro magnetic flow meter

0 Answers  

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

3 Answers  

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Explain the functions of the CPU of a PLC.

1 Answers  

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what will be the output of a temperature transmitter if temperature is 120 degree celcius?

6 Answers   KNPC,

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how the actually positioner of control valve working? where we gave 3-15psi pressure to I/P converter where it is firstly applied ?- on I/P to positioner then what happen? is control valve operate on 3-15 psi or its bench pressure?

2 Answers  

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how to design orifice plate?what is the equation?

0 Answers   REL,

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