Answer / ahmed raja

basically there is no zero pressure in trems, but we say
guage pressure is considered as zero at open to atmosphere.
and Amospheric pressure is 14.7psi if we minus the
atmospheric pressure from guage pressure we got the
absolute pressure.

why using negative supply for bentley nevada vibration system ?

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how to calculate flow by dp transmitter?

4 Answers  

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T.x range -0.1 to 0.2 milibar,so how much mili ampear at 0.1 milibar?

7 Answers   Sugar Factory,

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what is the input to be given digital temp controller during the the calibration time?

2 Answers  

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what is the difference between 2 wire and 3 wire RTD- application wise,cost effectivity?

2 Answers  

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My friend has faced this question! I don't know clearly. So please anyone give me the correct and short answer to this question? What is variable frequency drive? Types, what is star to delta? Why this arrangement necessary?

5 Answers   Asian Paints, TCS,

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Which type of pressure can be measured by primary elements?

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i feel sq. pipe is better than round pipe pls give comment for this. advance thanks for reply

3 Answers  

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i have height of stem drum level 1000mm.how i calculate the DP transmitter

2 Answers  

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What should we do when Fisher Fieldvue DVC2000 give some out put air at 4mA bt at that i need no out put

1 Answers  

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why the supply frequency used in America is 60Hz while that used in India is 50Hz?,

2 Answers   Bosch, Genco,

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How does temperature bath work? How does coil gets heated only by applying some current?

0 Answers   Process Control Technologies,

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