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Questions and Answers
What is the purpose of placing the measuring cylinder inside another container in a rain gauge?
What is the purpose of placing the measuring cylinder inside another container in a rain gauge?
- To enhance the amount of rainfall collected
- To protect it from freezing
- To prevent evaporation and give an accurate reading (correct)
- To make the rain gauge more portable
How does the outer container of a rain gauge affect its functionality?
How does the outer container of a rain gauge affect its functionality?
- It helps prevent evaporation of the rainfall collected (correct)
- It provides additional stability during stormy weather
- It increases the gauge's capacity
- It prevents dust from collecting inside the cylinder
Which of the following is one reason why the rain gauge's measuring cylinder is not exposed to open air?
Which of the following is one reason why the rain gauge's measuring cylinder is not exposed to open air?
- To prevent contamination by insects
- To reduce overflow during heavy rain
- To minimize the risk of theft
- To prevent evaporation and ensure accurate readings (correct)
If the measuring cylinder in the rain gauge was not inside another container, what could happen?
If the measuring cylinder in the rain gauge was not inside another container, what could happen?
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Why is it necessary to know the direction of the wind in relation to rainfall measurement?
Why is it necessary to know the direction of the wind in relation to rainfall measurement?
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Study Notes
Rain Gauge Measurement
- The glass measuring cylinder in a rain gauge is placed inside another container to minimize evaporation of collected rainwater, ensuring accurate readings.
- Evaporation would result in an incorrect measurement.
Importance of Wind Direction
- It is crucial to know the direction from which the wind is blowing.
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