Re: Wa State 01 General Admin Test Duplex Question
You need to include a small appliance circuit and a laundry circuit (this means the washer, not the dryer). You do not have to include a dryer, if it is not listed.
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- <font size="2" face="Verdana, Helvetica, sans-serif">800 ft2 x 3 = 2,400 VA</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Range = 7,000 VA</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Water Heater = 3,000 VA</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Dishwasher = 1,320 VA</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Disposal = 600 VA</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Two small appliance circuits = 3,000 VA</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Laundry circuit = 1,500 VA</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Subtotal VA = 18,820 per unit.</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">For two units, this is 37,640 VA.</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Take 100% of first 10,000 VA and 40% of the rest = 21,056 VA.</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Heat = 15,000 VA per unit, times two units</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Total VA = 51,056.</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Current = 51,056/240 = 212 amps.</font>
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Now look at the option provided under 220.33:
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- <font size="2" face="Verdana, Helvetica, sans-serif">Subtotal VA = 18,820 per unit.</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Heat = 15,000 VA</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Total VA = 33,820 for each unit as a stand-alone.</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">For three units, this would be 101,460 VA.</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Multiply by 45% = 45,657 VA</font>
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- <font size="2" face="Verdana, Helvetica, sans-serif">Current = 45,657/240 = 190 amps.</font>
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{EDIT: I have revised the above to make the correction that was pointed out to me by snapco.}
I would go with answer ?A.?
[ March 18, 2005, 11:46 AM: Message edited by: charlie b ]