Automation with Relays Quiz | OceanRemote Education

1 What is the primary benefit of smart irrigation?

A) Faster growth only B) Water conservation up to 40% C) More fertilizer D) Less sunlight

2 Which component controls the water pump in an automated system?

A) Temperature sensor B) Relay module C) Humidity sensor D) LED

3 What happens if you water when soil moisture is above 70%?

A) Plants grow faster B) Risk of root rot and wasted water C) Saves water D) Kills weeds

4 What is the recommended soil moisture threshold to start watering?

A) Above 80% B) Below 30% C) At 100% D) Never

5 What should you do if it rains?

A) Skip irrigation B) Water twice as much C) Ignore rain D) Water anyway

6 How much water can IoT irrigation save compared to traditional methods?

A) 5-10% B) 30-40% C) 80-90% D) 0%

7 What is the purpose of a moisture threshold?

A) Measure temperature B) Trigger watering at a set level C) Track humidity D) Log data only