what are the advantages of a u-tube manometer than a piezometer
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A piezometer is used to measure the pressure or head of groundwater at a specific point in an aquifer or well. It helps to monitor water levels and pressure changes over time, providing valuable information for groundwater management, engineering projects, and environmental assessments.
A piezometer is used to measure the pressure of liquids or gases in a closed system. It helps in monitoring the level of groundwater in wells or aquifers, as well as in assessing the pressure within dams or tanks. The data collected from a piezometer is crucial for evaluating the stability of structures or monitoring the efficiency of water supply systems.
A piezometer is a small diameter water well used to measure the hydraulic head of groundwater in aquifers. Similarly, it may also be a tube or manometer used to measure the pressure of a fluid at a specific location in a column. Piezometers should ideally have a very short screen and filter zone, so that they can represent the hydraulic head at a point in the aquifer. If the filter zone is located at a specific isolated depth, the piezometer is defined punctual, or, if the piezometer has a filter on all its length, is defined windowed. The windowed piezometer is cheaper than the punctual one, but cannot give information on vertical flows. The main problem with the piezometers is the time-lag between the variation of piezometric level in the aquifer and the respective variation in the piezometer. This time-lag is related to the piezometer (type, shape, etc.) and the soil. Modern piezometers with little time-lag are the piezometric cells, where the pressure on a membrane is measured by the pressure of gas (pneumatic piezometric cells), by vibrating thread extensimeters or by electrical extensimeters (strain gauges piezometers). Source: http://www.answers.com/piezometers?gwp=11&ver=2.3.0.609&method=3
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The ISBN of Limitations is 0312426453.
Limitations was created in 2006.
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One of the limitations is the ratifaction of laws.