In a Symons rain gauge, the collected rainfall is measured using:
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A.
a digital display
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B.
a rotating drum
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C.
a graduated scale
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D.
a pressure sensor
Correct Answer:
C. a graduated scale
Explanation:
The correct answer is a graduated scale.
A Symons rain gauge is a non-recording instrument used to measure liquid precipitation. It consists of a funnel that directs rainwater into a receiving bottle. To determine the amount of rainfall, the collected water is poured into a specialized measuring glass known as a graduated jar or scale. This glass is calibrated specifically for the gauge's surface area, allowing for an accurate reading of rainfall depth in millimeters. Unlike automated gauges, it does not utilize digital displays, rotating drums, or pressure sensors for data collection.
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