Why is it necessary to use compensation leg to measure the liquid level in a closed or pressurized tank?

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i am preparing for BARC ,so plz mail me how to prepare for BARC. ALSO IF POSIBLE SOME RELATED QUESTIONS. MY MAIL ID IS khushi_4uall2003@yahoo.co.in

0 Answers  

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how to calculate flow range in DP tx

1 Answers   Karnataka Power,

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1.what is controller proportional gain 2.what is the controller intergral action time. 3.A proportional plus derivative controller that has a proportional band of 20% and a derivative action time of 0.1 minutes. Construct the shape of the output waveform for the triangular input if the input rises and falls at the rate of 4 units per minute.

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how u choose thermowell lenght n pnumatic C/v size?

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What is the exact differences between HART,FOUNDATION FIELDBUS,PROFIBUS?

0 Answers   Jubilant,

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Where do we consider the pressure in mbar & where do we consider the pressure in bar & why is it so ?

2 Answers   BOC, Jindal Steel and Power,

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Explain bernoulli’s theorem. State its application.

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Steve said that "An eddy-current probe works by passing an alternating current through a coil of wire and measuring the coil’s impedance" while we are using -24 Volt DC , So I am confused about DC and AC. Plz .

2 Answers   Jindal, Sadara Chemicals,

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what is the input of ph sensor and meter during the calibration time and what is the output?

1 Answers   Sabic,

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what is isolation Transformer???...

3 Answers   Emerson,

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Explain the use of hair spring in the pressure gauge.

0 Answers  

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