Differentiate between U-tube differential and inverted differential manometers?

1. U-tube differential manometer:
- In a U-tube differential manometer, the two arms of the U-tube are connected to the two points where the pressure difference is to be measured.
- The fluid levels in the two arms of the U-tube will move in opposite directions when there is a pressure difference between the two points.
- The pressure difference is calculated by measuring the difference in height between the two fluid levels in the U-tube.
- U-tube differential manometers are commonly used for measuring small pressure differences in laboratory and industrial applications.

2. Inverted differential manometer:
- In an inverted differential manometer, one arm of the manometer is connected to a reference point (usually atmospheric pressure) and the other arm is connected to the point where the pressure difference is to be measured.
- The fluid level in the arm connected to the reference point remains constant, while the fluid level in the other arm moves in response to changes in pressure.
- The pressure difference is calculated by measuring the difference in height between the fluid level in the arm connected to the reference point and the fluid level in the other arm.
- Inverted differential manometers are commonly used for measuring pressure differences in systems where one pressure is known and the other pressure is to be determined.

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