whats the diff b/w zero pressure and obsolute pressure

4 Answers  

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what r all the type of viberation measurement measuring in turbin? what's the output of viberation sensor?

2 Answers  

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two common seiling liquid used in seal pots are:

1 Answers   Thermax,

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is here anybody who knows how to calibrate the pressure transmitter? ONLINE

5 Answers  

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i want to Measure the Difference pressure of Packed distillation Column of height 3 mtr. h.p. side connected to bottom & L.P. side connected to the top , so tell me what will be THE URV & LRV of that D.P. transmitter?

5 Answers  

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what are the steps I have to deal with?

0 Answers   ONGC,

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key exchanges in wpa,wpa2,tls

0 Answers  

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difference between span and range

3 Answers   IOCL,

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what is ZERO SUPPRESION and ZERO ELEVATION?

3 Answers   Reliance,

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Emergency Shutdown Systems/ Plant Shutdown System.

0 Answers   CCIE,

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why we use only 4-20 ma signal as AI and not 0-20 ma?

2 Answers   Honeywell, Oil and Gas Jobs,

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Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...

0 Answers   Adgas, GAIL, Oil India, ONGC,

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