i want to make project on process control using plc.please give me idea about this.

2 Answers  

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what is zero and span ?

0 Answers  

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what is the difference in Kg/cm2 and mmwc?

2 Answers   Niko,

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where the use of direct action control valve?

2 Answers  

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deference between DCS and PLC including date processing and architacture.

11 Answers   Jindal, Shell,

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what is load line in control valve?

3 Answers   Boral, Qatar Petroleums,

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why we use the ac supply load cell>?can we use the dc supply load cell?advantages and disadvantage of the ac supply load cell?

0 Answers  

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which gas or which liquid is filled in capillary of dial type temperature indicators on power transformers

2 Answers  

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What is Hysteresis mean in Instrument?

11 Answers  

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IF ASK IN THE INTENVIEW WHAT TYPE OF BMS YOU USE?

1 Answers  

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what is vibration a part of proceess variable? if vibration is a part variables then how we minimize the actual vibration on machine on load,? vision of instrumentation contrl plz ans me IPGDL interview question

0 Answers  

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A flange is used for instrument connection for a system with a design temperature of 316C (600F) and a design pressure of 1000 kPa (145 psi). What is the class rating of the flange to be used for this application? Explain your answer

0 Answers  

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