can anybody will tell me abiut PID controller.

4 Answers  

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why we use 3 wire rtd direct wiring for temperature measurement instead of temperature transmitter like bearing temperature

0 Answers   ABG Energy,

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Hi Friends i am going to write BARC written test by this month 20th (20-5-2008). So please if any body knows the details about this or having previous question papers pls mail me to kkumarei@gmail.com. For Suggestions give one message to 9962122264

0 Answers   PDIL,

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we callculat main steam flow by D.P. but where is H.P. & L.P. IN Orfics?

3 Answers  

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What is the expansion of RADAR? How it works?

7 Answers   RasGas,

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Explain types of valves?

0 Answers  

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What is maintenance planning?

3 Answers   Qatar Airlines,

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For 150 mtr cable run from DCS panel to transmitter (24 VDC with 4-20 ma output), need cable size. 1.5 sqmm is suitable?

2 Answers   NA,

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Is it ok, to use non-contact type Radar type LT, on a tank that is half circular from the bottom side? If yes the, isn't the waves gonna bent in other directions? 

0 Answers   Process Control Technologies,

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What is the difference between working pressure and calibration pressure of a control valve

0 Answers  

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What are different types of control valves?

0 Answers  

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what is load line in control valve?

3 Answers   Boral, Qatar Petroleums,

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