Sensor Module 3 Quiz | OceanRemote Education

1 What does a rain sensor detect?

A) Soil moisture B) Rainfall C) Air pressure D) Wind speed

2 Why use a rain sensor in irrigation?

A) Skip watering when raining B) Water more when raining C) Measure soil moisture D) Control pumps

3 When should you NOT spray pesticides?

A) Morning B) Evening C) Wind >15 km/h D) Sunny day

4 What is LDR short for?

A) Light Digital Reader B) Light Dependent Resistor C) Low Data Rate D) Lux Detection Range

5 Which light sensor provides digital output?

A) LDR B) Photodiode C) BH1750 D) NTC

6 What is the purpose of a rain sensor?

A) Detect rainfall to skip irrigation B) Measure soil moisture C) Control pump speed D) Monitor temperature

7 What is the safe wind speed for pesticide application?

A) 5-15 km/h B) Below 15 km/h C) Any speed D) Above 20 km/h