Answer / parekh

relay,flleper,nozel,oriffice,came,

what is the difference between plant earth and instrument earth? and what type of cable( cable size ) used for both? and why ?

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Why not come out analog output in ABB EL3020 when display show correct value

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What are securities of turbine?

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please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?

0 Answers   HP, Siemens,

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I want measure the volumetric flow of gas in waste heat recovery Boiler?Tell me how and which type of instruments required. Plz mail me:naba02222@gmail.com Sam please post the answer .

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What are the processes Variables?

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generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

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Where can i take training in intools software for Instrumentation design??

9 Answers  

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please explain about actuator action? direct action & return action ?

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what do you mean by cathodic protection?

1 Answers   Saipem,

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In most instances, Inertia processes are quite uncommon. Give an example of a combined Resistance and Capacitance situation.Describe an application, which according to your understanding of the subject matter, comprises of both Resistance and Capacitance effects.

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Can anybody please let me know Orifice plate sizing calculation formula and step by step procedure

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