Answer / hassan abbas

these level transmitters measure the level in either of the three ways:

The weight of the fluid
The pressure head of the fluid
The position of the fluid in a container

My friend has faced this question! I don't know clearly. So please anyone give me the correct and short answer to this question? What is variable frequency drive? Types, what is star to delta? Why this arrangement necessary?

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Exothermic reaction./ endothermic reaction

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