Mathematics · Applied Numerical Aptitude
A solar thermal collector operates with an overall thermal efficiency of 70% and receives an average solar irradiance of 6 kWh/m2/day. How much useful heat energy is collected per square meter per day?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14.2 kWh✓
- 24.8 kWh
- 32.2 kWh
- 43.6 kWh
Correct answer
4.2 kWh
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