Application of atmospheric and liquid pressure

To compare the densities of two liquids by means of Hare’s apparatus

To compare the densities of two liquids by means of Hare’s apparatus In chapter 9 we saw how the relative density of a liquid can be found by the use of a density bottle. The following method for measuring the relative density of a liquid is based on the pressure exerted by a liquid column. The apparatus consists …

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The transmission of pressure in fluids. Hydraulic brake

The transmission of pressure in fluids. Hydraulic brake When the fluid is completely enclosed in a vessel and a pressure is applied to it at an. part of its surface, as for example, by means of a cylinder and piston connected to the vessel, then the pressure is transmitted equally throughout the whole of the enclos fluid. This …

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Application of atmospheric and liquid pressure

Application of atmospheric and liquid pressure The rubber sucker A very useful application of atmospheric pressure is found in a circular shallow rubber cup known as a sucker. These are used for attaching notices to shop windows and for similar purposes. When the rubber is moistened to obtain a good air seal and pressed on a smooth flat surface …

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