Answer / guest

can measure level by using Differential Pressure. It infers
liquid level by measuring the pressure generated by the liquid.

Pressure = Specific gravity x Height of the liquid column.

Answer / anonymous

Pressure = density x height x gravity

Answer / abhijt sonar

Pressure = Specific gravity x Height of the liquid column.

Example: - U-Tube manometers...

how can we measure the pressure in underground cooling water pipeline by using pressure transmitter?what about the tapping position?

2 Answers  

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While preparing the graphic diagrams trend display, 3 types of trends are prepared by Yokogawa system vender. These are for process variable, manipulated variable & set point variable. Why these 3 trends are required? Explain the purpose of these 3 trends.

1 Answers  

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why we use negative 24vdc to a proximeter

4 Answers   KNPC,

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what is temperature compensation?

1 Answers  

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How to convert mA into Percentage?

4 Answers   KNPC,

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why we should maintain neutral earth voltage below 1V while calibration? why cant it be 1.2V or 2V

0 Answers   Hospira,

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what is the difference between -24 : +24 & 0:24 and where it use?

0 Answers  

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Explain about the leakage class of the control valves

0 Answers   CCIE,

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components of control circuit belongs to control valve

0 Answers   KOC,

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2 Answers   Philips,

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What is force balance principle? State some of its’ advantages.

0 Answers  

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What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).

0 Answers  

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