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What is a manometer? And how is this used to measure pressure?

Answer 1

Isabella Alvarez

Manometer is a u tube with a liquid in it, (Water or Mercury).

One side of manometer is connected to the gas and manometer's reading is taken. This gives pressure.

Difference in level is the pressure in inches of liquid.

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Answer 2

Leo Abeyta

A manometer is a device used to measure pressure. It typically consists of a U-shaped tube filled with a liquid, such as mercury or water. The pressure being measured is applied to one side of the U-tube, causing the liquid to rise or fall in that arm relative to the other. The difference in height between the two liquid levels is proportional to the pressure difference between the two points being measured. By knowing the properties of the liquid and the dimensions of the tube, the pressure can be calculated using the equation for hydrostatic pressure.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.