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Q: Automatic rain gauges are in the form of a pen mounted on a clock-driven chart and can give a permanent, automatic rainfall record. Which of the following is an example of automatic rain gauge?
  • A. Hydrometer
  • B. Float type rain gauge
  • C. Hygrometer
  • D. Symon's rain gauge
Correct Answer: Option B - Automatic rain gauges–These are integrating type recording rain gauges are of three types– 1. Weighing bucket rain gauges 2. Tipping bucket rain gauges 3. Float type rain gauges. Note–Symon's rain gauge is type of non-recording gauge, which is used in the India.
B. Automatic rain gauges–These are integrating type recording rain gauges are of three types– 1. Weighing bucket rain gauges 2. Tipping bucket rain gauges 3. Float type rain gauges. Note–Symon's rain gauge is type of non-recording gauge, which is used in the India.

Explanations:

Automatic rain gauges–These are integrating type recording rain gauges are of three types– 1. Weighing bucket rain gauges 2. Tipping bucket rain gauges 3. Float type rain gauges. Note–Symon's rain gauge is type of non-recording gauge, which is used in the India.