Question

Name the instruments which are used to measure air pressure? Any three

Tell the answer fast ​

Answer 1

Explanation:

Barometer

DP Cell

Open Vessel

Answer 2

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1) Barometer

2) Open vessel

3) DP Cell.

arometerA barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure.

Barograph

BarographThe barograph is one type of aneroid barometer. The device has a small, flexible metal capsule known as the aneroid cell. The construction of this instrument creates a vacuum so that small changes in air pressure can cause the contraction or expansion of the cell. Calibration of the aneroid cell is then performed and the volume changes are transmitted by levers and springs to an arm that moves accordingly. Barographs have a pointer located on the side of a cylinder that rotates along with the graphic paper. The pointer traces on the paper as the cylinder rotates. These tracings indicate the increase and the decrease in pressure.

BarographThe barograph is one type of aneroid barometer. The device has a small, flexible metal capsule known as the aneroid cell. The construction of this instrument creates a vacuum so that small changes in air pressure can cause the contraction or expansion of the cell. Calibration of the aneroid cell is then performed and the volume changes are transmitted by levers and springs to an arm that moves accordingly. Barographs have a pointer located on the side of a cylinder that rotates along with the graphic paper. The pointer traces on the paper as the cylinder rotates. These tracings indicate the increase and the decrease in pressure.Simple Clock-like Barometer

BarographThe barograph is one type of aneroid barometer. The device has a small, flexible metal capsule known as the aneroid cell. The construction of this instrument creates a vacuum so that small changes in air pressure can cause the contraction or expansion of the cell. Calibration of the aneroid cell is then performed and the volume changes are transmitted by levers and springs to an arm that moves accordingly. Barographs have a pointer located on the side of a cylinder that rotates along with the graphic paper. The pointer traces on the paper as the cylinder rotates. These tracings indicate the increase and the decrease in pressure.Simple Clock-like BarometerThe simple clock-like barometer is another type of aneroid barometer. It functions in the same manner as the barograph, except it uses a pointer that moves from left to right in a semicircular motion over a dial to indicate low and high pressures.