what are the three main programming languages in plc

12 Answers  

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How will you change the action of a control valve?

1 Answers   CCIE,

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define feed forward control loop with example and drawing?

0 Answers   Honeywell,

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Qatar fertilizer call me for interview as Instrumentation Project Engineer. Please let me know what kind of question they asked ? ALso they said they will take Written test, any idea about this written test ?

1 Answers   QAFCO,

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what is the difference between SCADA and DCS?

5 Answers   ACC,

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Why do we have earthing cable in branch cable and shield in the same cable?

0 Answers   Process Control Technologies,

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Boolean algebra

0 Answers   CCIE,

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what is protonics how it is differ from electronics

1 Answers  

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Which softwere is required to communicate the S7-300 processor

4 Answers  

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how to calculate density?

2 Answers  

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During valve sizing from all calculation you got flow coefficient CV 12,than what it means? like for selecting pressure transmitter if your MAWP is 12 bar than you select a capsule of max. 20 bar which cover your mawp 12 in same way for selecting control valve If CV is 12 than how we use it in selecting valve??????

1 Answers  

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What is DCS?

5 Answers   Adani,

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