Why do we floating DC in DC system.

0 Answers  

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i have an interview in Qatar Petroleum. So please provide the all details abt fire & gas systems

1 Answers   Qatar Petroleums,

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why we are using 4-20ma why cant we use 4-40ma

3 Answers  

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How to measure Flow of air line,what is the procedure of creating DP in line to measure Flow!

3 Answers  

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suppose in dcs range of a flow transmitter is 10t/hr what is dp for 50% in 2500mmwc

6 Answers   Chevron,

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how can I install "operating system " in may HART communicator? It is damaged, and it doesn't boot up.

1 Answers   ARPC,

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How will you measure surface temperature of SUN?

2 Answers   GAIL,

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what do you mean by cathodic protection?

1 Answers   Saipem,

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Where & Why we are using SURGE PROTECTION ?

4 Answers   IOCL,

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What is the use of +/- 20ma in analog measurement,and which instrument gives +/-20ma output

1 Answers  

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what is pneumatic control system?

1 Answers   APL,

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If a normal magnetic type flow transmitter that can measure flow, temperature and show this parameters on field, is it possible by any means to get this (flow and temperature) parameters info. On dcs? And if yes then with HART, FO communication or any other communication system?

1 Answers   Process Control Technologies,

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