What is two wire system and how it work

2 Answers   Bhel, IFFCO,

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i want to Measure the Difference pressure of Packed distillation Column of height 3 mtr. h.p. side connected to bottom & L.P. side connected to the top , so tell me what will be THE URV & LRV of that D.P. transmitter?

5 Answers  

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What is minimum distance between three thermocouples (2oo3) mounted on same pipe line (20")? Technically accepted by stright line mounted or circler mounted?

1 Answers  

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In control valve , Failure position : Close If it is Fail close(FC) during failure of AIR.. what will be the initial/ normal position of control valve is it normally open or close? please some one explain soon..

2 Answers  

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whats the diff b/w zero pressure and obsolute pressure

4 Answers  

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How can I zero check of wet leg type DP Tx ?

6 Answers   ONGC,

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Technician A says the brake warning light is connected into both the parking and service brake systems. Technician B says the brake warning light will come ON only if the service brake system fails. Who is correct?

2 Answers  

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what do you mean by CJC (cold junction compensation).?

5 Answers   Jindal,

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As you are fresher in Instrumentation & control engineer.Then why should I select you?

1 Answers  

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What is deffrence between Battery and capacitor

3 Answers   Siemens,

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EXPLAIN NETWORK COMMUNICATION ON DCS?

0 Answers  

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why we are giving negative supply for vibration sensors?

3 Answers   Shell, Solex,

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