Answer / nitin gomle

cpu(312IFM,313,314,315,2DP,316-2DP,318)

single module

DIGITAL I/O(SM321/322/323)

ANALOG I/O(SM331/332/334)

FUNCTION MODULE-(ex:-POSITIONING MODULE,CLOSED LOOP)

COMMUNICATION PROCESS-(ex:-CP342-5 DP FOR PROFIBUS)

INTERFACE MODULE-FOR INTERCONNECTING INDIVIDUAL RACKS(IM360/361,
IM365 S/R)

how to explain PID?

2 Answers   Jindal,

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What is loop1 and loop2 in MTS LT?

0 Answers  

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how will you segregate the alarm levels in alarm management system during factory Acceptance Test

0 Answers  

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what is diff between the centrifugal and reciprocating

2 Answers  

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In control valve there are two type of valve seat we can use metal to metal seat & soft seat.On this valve seat i have following doubt. 1)I have never seen practically the internal assembly of valve so my doubt is that basically weather the seat is soft seat or metal its basic MOC is same as valve body(SS or CS) only in soft seat we are using PTFE ring & place on valve seat & in metal this PTFE ring is not threr am i correct??????? 2)what are the common general rule for using metal to metal seat & soft seat,means its depend on process parameter like liquid,gas, steam & on valve leakage class.

1 Answers  

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why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

0 Answers   ONGC,

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what is the difference between plc & DCS?

5 Answers   Cheminova, NGIL, Siemens,

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what is the deferance between LCN and UCN.

1 Answers  

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what is the role of proportional in process control?

6 Answers   OGDCL, Trident,

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what is the difference between 2 wire and 3 wire RTD- application wise,cost effectivity?

2 Answers  

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A valve in series with an orifice plate (DP transmitter), is aligned for constant pressure in the pipeline, if there is an error dx, How to align it in process.

0 Answers  

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list of flame proof certification ?

1 Answers   TATA,

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