While preparing the graphic diagrams trend display, 3 types of trends are prepared by Yokogawa system vender. These are for process variable, manipulated variable & set point variable. Why these 3 trends are required? Explain the purpose of these 3 trends.

1 Answers  

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how to overhaul control valves.what are the proper procedures.

1 Answers   Jindal, QAFCO,

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what is the difference between auto tuning and manual tuning of controllers(eg:PID,PI,PD CONTROLLERS )

2 Answers   GATE,

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for what purpose strain guage is used?

5 Answers  

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What is the formula To convert Degree centigrade to foranhight.

5 Answers  

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What is the difference between bench set and operating range i control valve?

1 Answers   Descon,

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ORP sensor working principle?

0 Answers   Tata Steel Limited,

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How to fix back the valve actuator stem

0 Answers   SAFCO, Tarpon,

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What does threshold mean? what does tolerance mean?

1 Answers   DEWA,

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when placing a vent or drain hole on an orifice plate should you measure from the center of the bore up or down for the vent placement?

0 Answers  

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i want to know the interview format fot gail, instrumentation. pls answer me in habib.sami1003@gmail.com

0 Answers  

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What is the exact differences between HART,FOUNDATION FIELDBUS,PROFIBUS?

0 Answers   Jubilant,

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