Answer / stanley

upstream and downstream

what is the Instrumentation?

9 Answers   Gulf,

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What are the materials use for COntrol Valve body?

1 Answers   KNPC, Qatar Petroleums,

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what is HVAC?

1 Answers  

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What is the Relation Between flow and pressure. How both terms related with each other.

1 Answers  

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I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

0 Answers  

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why 4 to 20 ma ,why not 0 to 20 or 3 to 15 or anything

19 Answers   Honeywell, TCS, TN,

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In instrumentation standard we use 4 to 20ma for transmission , why cant we use 3 to 19ma ?

1 Answers   NSH,

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how can we understand about dcs "bailey infi 90 dcs system" . how its work how signal come from field how it process and how o/p creative by controller. how its cards work.the bsic principle of working of dcs

1 Answers  

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hello dear i have faced problem in drum level transmitter. the problem is when i engrize the meter meter shows 100% but the actual level 40 or something plz suggest me

7 Answers  

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if i change range of flow transmitter in th field then does it need to change range in dcs?

3 Answers  

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How much voltage we get between two wire of 4 to 20 ma output? Is this voltage up or down respectvice to 4 - 20 ma ?

9 Answers  

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draw the characteristics of chebyshev filter

0 Answers  

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