Rainfall Monitoring Quiz | OceanRemote Education

1 What does a rain sensor detect?

A) Soil moisture B) Rainfall/water presence C) Air temperature D) Wind speed

2 How does a simple rain sensor work?

A) Measures water temperature B) Uses exposed copper traces that conduct electricity when wet C) Measures air pressure D) Counts raindrops optically

3 What is a common use for rain sensor data in smart farming?

A) Predicting pest infestations B) Skipping irrigation when it rains C) Measuring soil pH D) Tracking fertilizer levels

4 What output does a typical digital rain sensor provide?

A) Analog voltage only B) HIGH when dry, LOW when wet (or vice versa) C) Temperature reading D) Humidity percentage

5 Where is the best place to install a rain sensor?

A) Under a tree B) In an open area away from obstructions C) Inside a greenhouse D) Buried in soil

6 Why might you still need soil moisture sensors even with a rain sensor?

A) Rain sensors measure soil water directly B) Rain doesn't always provide enough water for crops C) Soil sensors are cheaper D) Rain sensors are unreliable

7 What is the purpose of heating a rain sensor?

A) To melt snow/ice for detection B) To make it more sensitive C) To save power D) To measure rain temperature