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Solar Energy Measurements
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1)Global Horizontal Irradiation is useful for determining the power production of which type of solar energy system? 
  
2)Direct Normal Irradiation (DNI) measurements are useful for determine the power production of which type of solar energy systems? 
  
3)Which of the following is NOT a major source of Diffuse solar irradiation?  
  
4)Given the below set of hourly Direct Normal Incident (DNI) solar radiation data, calculate the Daily Irradiation. Time, DNI (W/m2); 0:00 am, 0 W/m2; 1:00 am, 0 W/m2; 2:00 am, 0 W/m2; 3:00 am, 0 W/m2; 4:00 am, 0 W/m2; 5:00 am, 0 W/m2; 6:00 am, 0 W/m2; 7:00 am, 0 W/m2; 8:00 am, 0 W/m2; 9:00 am, 11 W/m2; 10:00 am, 144 W/m2; 11:00 am, 721 W/m2; 12:00 pm, 840 W/m2; 13:00 pm, 542 W/m2; 14:00 pm, 562 W/m2; 15:00 pm, 449 W/m2; 16:00 pm, 56 W/m2; 17:00 pm, 39 W/m2; 18:00 pm, 194 W/m2; 19:00 pm, 0 W/m2; 20:00 pm, 0 W/m2; 21:00 pm, 0 W/m2; 22:00 pm, 0 W/m2; 23:00 pm, 0 W/m2; 
  

  


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