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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How to calibrate the flow transmitter

0 Answers  

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What is Cu-100 and Cu-1000 ? and tell me its application ?

2 Answers  

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what are the definitions of input, output, command & signal according to instruments controlled by PLC using DCS System?

0 Answers  

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how in the 2 - wire transmitter, 24v supply and the 4ma signal gets in the same path?

1 Answers   Yokogawa,

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What is the detail function of I/O card in DCS ? Why we dont use the I/O directly with controller?

3 Answers   Kekran Mekran, TCE,

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what is maximum vaccume?

4 Answers  

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How many are the types of instrument cables in terms of No. of pair.

0 Answers   CCIE, Samsung,

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how u calibrate pneumatic n motorized c/v?

0 Answers  

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why the supply frequency used in America is 60Hz while that used in India is 50Hz?,

2 Answers   Bosch, Genco,

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How can you convert an SR Flip-flop to a JK Flip-flop?

1 Answers  

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what is function of switch, and how is it work, explain with difination

0 Answers   Bapco Bahrain Petroleum Company,

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