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vs other IoT platforms
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Sensor Module 3 Quiz
🎯 Passing score: 70% • 📝 7 questions • ⏱️ 10 minutes
0 of 7 answered
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
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