How will you calibrate PID controller? explain with example.

0 Answers   Jacobs, Sirte Oil Company,

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What is cut off relay? And why use in PLC and DCS?

0 Answers  

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what is DCS?

24 Answers   Reliance, SWCC,

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Explain about signal isolator

1 Answers   TCS,

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why pneumatic control signal output is use 0.2 to 1 kg/cm2

3 Answers   Jindal,

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for what purpose strain guage is used?

5 Answers  

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State some of balance principle’ advantages?

0 Answers  

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we have LPG spherical Tank and we want to install DP Xmtr for level measurement.below are the physical measurements Total height of tank is 1850 mtr but 0% level is 1000mm above bottom and 100% level is 450 below upper side.What is the LRV and URV and please mention the formula .The SG of LPG is 0.53 and Wet Leg method will be used.

7 Answers  

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If Solenoidal valve works in manual mode but not in Auto mode. What should be the problem?

8 Answers   Bharathi Cement, Titanium,

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What is expansion of SMART Instruments? And What is it?

35 Answers   Atesco,

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What is Vena contracta?

3 Answers   CCIE,

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what is diff between the centrifugal and reciprocating

2 Answers  

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