WHAT IS D/O D/I AND A/O A/I PLZ EXPLAIN

2 Answers  

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Yokogawa dcs normally where will change 4-20 MA to DC voltage( node or I/o cards?)

1 Answers  

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How u measure the massflow in orifice flow measurement techniques

0 Answers   Johnson Matthey,

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why we are using -24 vdc in plc?

1 Answers   CGL,

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what are the inputs (drawings) we need to prepare loop schematics??

1 Answers  

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Difference b/w SCADA & DCS

8 Answers   Siemens,

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what is the difference between CPC and i/p converter

1 Answers   Siemens,

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what is Dry Leg calibration and where is it used

1 Answers   Petrofac,

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What is calibration?

6 Answers   Syscon,

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in which mode of the zener diode act when load voltage is approximately constant

1 Answers  

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any body please send me the old question papers of ongc test.

0 Answers   NTPC,

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what are the types of a thermocouple

2 Answers  

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