Answer / nilesh

Normally there is a P&I( Process and Instrumentation)
diagram not E&I diagram.In P&ID circle symbole related to
field mounted instrument while Square box with circle
inside is related to function in DCS.There is number of
other symbole in each catagory.

Answer / ganesh prajapati

In P&ID, ESD signal is represented by a triangle with ESD
mentioned inside a triangle.

Answer / d das

ok mr. nilesh. but which one is ESD signal how should we
know? in a P&ID drawing.

what is the formula for calculating milliampere at different pressure points for eg 4-20 ma = 3-15 psi but if i have to check the ma at 4.6 ma?

4 Answers  

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Explain the difference between plc and cnc?

0 Answers  

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1)how can calibrate temperature transmitter? 2)how can calibrate flow transmitter? 3)how can calibrate level transmitter?

3 Answers   ccic, Emerson, JK Pharma, NIGC, Rockwell, UltraTech,

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For what Wake Frequency Calculation is used?

3 Answers   Reliance,

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How d.p. Transmitter can be applied to close tank?

0 Answers  

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could someone explain for me what is 32-bit Floating Point ? Thanks

1 Answers  

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Name four general (not technical) criteria that would you consider important, when deciding upon a particular control valve?

1 Answers  

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Lists Different types of Tappings.

4 Answers   TCS,

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a flow transmitter [range-0-400mbar] connected in process line. please explain me how to calibrate the flow transmitter , & how to do static error

0 Answers   L&T,

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how to work MIL contol valve posistioner ?

0 Answers   ABB,

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what is formula for calculating flow if i have pressure and pipe diameter?

1 Answers  

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what is sequence table in DCS . make a logic in sequence table for tripping of ID fan in Boiler(in YOKOGAWA CS 3000 DCS).

1 Answers   Yokogawa,

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