why OPC server is used in DCS?

2 Answers  

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what is the Difference Between Domain and Station?

3 Answers   Emerson,

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in sports(eg,cricket) what is the technique for measurement of speed of the ball thrown by the bowler.

6 Answers   BEL, PSU,

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Which type of pressure can be measured by primary elements?

0 Answers  

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what is mean by TDC-3000

5 Answers   ADCO,

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why we use -ve voltages in vibration prob?

1 Answers  

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wht is loops ? how many loops are there?

2 Answers  

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any body please send me the old question papers of ongc test.

0 Answers   NTPC,

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what is mean by hot loop and cold loop testing, whts different between both

2 Answers   Honeywell, PDO,

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1. what is 3 point calibration & 5 point calibration? 2. If we use hart communicator to set the LRV & URV of a smart transmitter, did we calibrate the transmitter? why? 3. Make a complet list if meterials needed to properly connect a pressure gauge to a steam pipe using 1/2 inch stainless steel tubing. The gauge connections is 1/2 inch NPT-M and the steam pipe tap has a 1/2 inch female coupling, compression fittings are use. 4. What are the tools in loop checking? 5. What would the ISA symbol of a square root extractor look like? 6. What would you do to completely prepare for the configuration? 7. What safety measures must you undertake when doing configuration? 8. what are the two most commonly use programming languages used when we configure a PLC? 9. What would you do if you accidentally skipped a step in the configuration procedure? 10. How would you know if the configuration were sucessful? 11. Name at least 3 selections available when we configure the burnout protection of a controller?

3 Answers   EI Electrotechnical Institute,

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difference between accuracy and precision

6 Answers   Honeywell, ONGC,

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Explain the difference between plc and cnc?

0 Answers  

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