Why do we use 24V DC supply in instrumentation? What are its merits and demerits??

1 Answers   JSW, MJPRU,

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What is Droop? What is Step/Gradient Limiter in Turbine Governor control?

0 Answers  

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Can anyone send most commonley asked Instrumentation questions and answers in cement industry please?

0 Answers  

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Why do we go for 4-20mA? why not other standara?

6 Answers  

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what is PID n give me brief info. about P&I&D.

2 Answers  

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What is the use of gauge?

0 Answers  

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What is eddy current? Describe the operating principle of proximity probe.

0 Answers  

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For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

0 Answers  

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What should be the ideal tapping location for pressure differential transmitter for liquid service. If the tapping taken from the top of the pipe then PDIT will work properly or not. If PDIT do not work properly then what minimum corrective action should be taken in order to solve wrong tapping locations.

1 Answers  

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please explain clearly in PID controller if We increase P only what will be action of the contrlere.

1 Answers   IMECO,

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Wht is Dry Leg Calibration and Wet Leg Calibration?

2 Answers  

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I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.

0 Answers   JSW,

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