how to calibrate differential pressure switch

2 Answers  

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How to connect another 24 volt dc power supply in circuit when previous power supply has become weak.what is the connection?

2 Answers   Bhole Baba Dairy Industries,

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i am from instrument branch i want paper patern of mahagenco . any pevious years paper regarding my branch send me please . please.....

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can anyone guide me how to get any of the previous year GAIL question papers? are they available? 0n 2nd august i have to take the written test.

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describe yourself?

1 Answers   TCS,

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what is virtual instrumentation

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Define the difference between a stable versus an unstable controlled system and some of the tools you might use to be able to detect when this is happening and assumptions used for control system application design that could contribute to instability

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Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?

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Why thermo wells are used?

1 Answers  

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DCS marshilling Cabinet Power supply can be replace during plant running time?

1 Answers  

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why any measurement made interms of pressure is more accurate ? to be more precise most of the flow velocity is made interms of pressure and it is accurate. what is the reason behind pressure measurement being accurate ?

0 Answers   NATPET,

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Pls can anybody tell me how much memory plc's has?in byte or in Kb

2 Answers  

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