why use squareroot in flow measurment by dp transmitter?

4 Answers  

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Specify ideal accuracy of flow element like orifice plate, Ventury, Annubar. Ultrasonic flow meter etc.

0 Answers  

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I have got a call of IOCL interview for projects having 2yrs experience. What sort of questions should I expect in the interview?

0 Answers   IOCL,

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1. what is 3 point calibration & 5 point calibration? 2. If we use hart communicator to set the LRV & URV of a smart transmitter, did we calibrate the transmitter? why? 3. Make a complet list if meterials needed to properly connect a pressure gauge to a steam pipe using 1/2 inch stainless steel tubing. The gauge connections is 1/2 inch NPT-M and the steam pipe tap has a 1/2 inch female coupling, compression fittings are use. 4. What are the tools in loop checking? 5. What would the ISA symbol of a square root extractor look like? 6. What would you do to completely prepare for the configuration? 7. What safety measures must you undertake when doing configuration? 8. what are the two most commonly use programming languages used when we configure a PLC? 9. What would you do if you accidentally skipped a step in the configuration procedure? 10. How would you know if the configuration were sucessful? 11. Name at least 3 selections available when we configure the burnout protection of a controller?

3 Answers   EI Electrotechnical Institute,

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what is the difference about HART, and 4-20mA signal?

8 Answers  

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What is Integral and Derivative control?

5 Answers   Qatar Petroleums,

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what is the Difference betwee the Hart and smart series Pressure transmitter

1 Answers   HPCL Mittal Pipelines Limited HMEL, Kastech Instrumentation,

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how u choose thermowell lenght n pnumatic C/v size?

0 Answers  

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who discoverd ohms law?

6 Answers   HPCL, Patni,

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How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?

0 Answers  

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what is dead weight tester and where it is used?.

11 Answers   DuPont, Jain steels,

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Why we are using temperature and pressure as a reference when measuring flow of steam?

4 Answers   Shell,

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