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OC
OceanRemote
Low-code IoT platform
OC
OceanRemote
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Plant Baby Sitting
ESP32 Remote Control
ESP8266 Remote Control
Pricing & Plans
vs other IoT platforms
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Tutorials
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Sensor Module 1 Quiz
🎯 Passing score: 70% • 📝 7 questions • ⏱️ 10 minutes
0 of 7 answered
1
Which soil moisture sensor lasts the longest?
A) Resistive
B) Capacitive
C) Both equally
D) Neither
2
What is the ideal soil moisture range for tomatoes?
A) 40-50%
B) 50-60%
C) 65-80%
D) 90-100%
3
Which sensor is waterproof for soil temperature?
A) DS18B20 (waterproof version)
B) DHT22
C) LM35
D) NTC Thermistor
4
What is the optimal soil temperature for maize germination?
A) 5-10°C
B) 18-30°C
C) 35-40°C
D) 0-5°C
5
What does N in NPK stand for?
A) Nitrogen
B) Nitrate
C) Nickel
D) Neon
6
How much water can soil moisture sensors save?
A) 5-10%
B) 15-20%
C) 30-40%
D) 80-90%
7
What is the accuracy of DS18B20 temperature sensor?
A) ±5°C
B) ±0.5°C
C) ±10°C
D) ±0.01°C
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