how to calculate the total flow in square root

0 Answers   PTI, Qatar Kentz,

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1. What means HART communicator / where it is used / how to use it? 2. Types of Thermocouples and its temperature ranges / output of thermocouple? 3. Types of RTDs and its temperature ranges / output of RTD? 4. Idea about Temperature Transmitters? 5. Difference between Analog and Digital signals? 6. Difference between “2 wire” and “4 wire” system / instruments? 7. Difference between “Potential” and “Potential free” contact? 8. Types of flow meters / transmitters? 9. Types of level transmitters? 10. Difference between “Power/Control” cable and “Instrument” cable? 11. What means “shield” and “screen” in cables / how it is useful? 12. Draw a schematic of closed loop circuit of flow / level / pressure / temperature? 13. Idea about calibration of Control valve / positioned / I/P? 14. How to bypass a digital/analog signal in PLC/DCS by hardwire and software?

6 Answers   JSL,

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Can anybody tell me how to select the size of earthing cable for DCS & PLC system.Please tell me any relevant answer here or mail it to me.

0 Answers   Essar, Sail,

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what do you mean by Loop checking ? What are the cold loop check and hot loop check? what are the difference between these two loops?

1 Answers  

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which flow meter is use for measuring the open channel flow?

2 Answers  

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what is RPI and NUT in controlnet networx. what happen if we are increase the NUT of controlnet networx?

1 Answers   Schneider,

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please send me some question papers of HPCL aptitude test ?? please send it to bipinb.28@gmail.com ...

0 Answers   HPCL,

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

3 Answers   Chevron Phillips, Honeywell,

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why we use only 4 to 20ma other than 0 to 16 ma

5 Answers   Invensys, Systech,

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what is hot loop check and cold loop check.

3 Answers   Bapco Bahrain Petroleum Company,

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What is the DIfferences between SMART transmitters and PROFIBUS DP/PA Transmitters?

4 Answers  

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i am preparing for BARC ,so plz mail me how to prepare for BARC. ALSO IF POSIBLE SOME RELATED QUESTIONS. MY MAIL ID IS khushi_4uall2003@yahoo.co.in

0 Answers  

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