What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

0 Answers  

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In your own words, would you expect an ultrasonic level device to work better in a pressure vessel with a high pressure or a strong vacuum, and why?

1 Answers  

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what is the use of glycol filling in seal pot (or) condensate pot in instrument impluse line?

7 Answers  

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what is RTV function in in process control?

0 Answers   Colgate,

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What is the difference between PLC-HMI and DCS as each function of DCS based system is possible in PLC ?

2 Answers   Lucky Cement,

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what is coriolis principle for mass flowmeter?

5 Answers   ABB,

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What is the difference between floating and fixed voltage?

1 Answers  

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I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.

0 Answers  

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basic connection and principle of axial shift sensor n differential sensors in tubine describes n draw......

0 Answers  

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Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?

0 Answers  

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In E&I diagram what is the meaning of rectangular box and circular box

3 Answers   L&T,

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What does threshold mean? what does tolerance mean?

1 Answers   DEWA,

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