Question

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5. A building shown below is located in Long Island NY. The house consumes 2000 kWh per year in electricity. The owner wants to install solar panels with dimension of 3 by 5 feet and power of 180 w per panel only in roof, what percent of the house electricity can be supply by solar panel. 200 150 6. Assuming a cost of $4860 for a system that supplies of the hot water demand of 120 gallons a day. Oil id used for heating the water at $1.80 gal, and water heater efficiency of 67%, E oil-140,000 BTU/gal.

Answer 1

Solution 200 150 ouse Consumes 200 Kwh/year n elechici Power8ON 3 by s feet Sola pane dimension ea sem. circulan regionラ TAr½ : 끄 (150)" : 8835-127m htonqulau gtchon diometer Trianguiau diome S: 550 215 here a: 200 , b: 200 , C:50 215 (215-200) (15-200) (215-Jso) 15 x15x 15 x)5 13905.37216 1119335931 5 A- ar panel , 3x5 ft :5N Area d one so a 2141 1o17 No d Solas panel can be nstalled mox) Area d ane PoneS う 1516-0722 .: Moimn mber asclan Panel Con be used is 1516 Scanned with CamScanner

Total nel power from Solaa panes56 x 180 212,880w 12.88 kw house A Conyume total energ200o k solax Contrtbution 212880 200c00o on 14% house elechi city can be supplied b solos panel , 180 Ww 1s for full a*. Scanned with CamScanner