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, รท 2 = 2000 x 8 =16000 รท 0.50 = 4000 x3
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= 12000 ,
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, รท 1 = 4000 x 4 =16000 รท 0.4 = 10,000 , = 20,000
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x 25,000 = 1,50,000 2
x 20,000 = 40,000
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x 30,000 = 90,000
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x 25,000 = 25,000
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HP) HP)
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PVC pipe)
x 10 % = 3
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Delivery pipe) , , H) = 30 + 3+ 1 + 10 = 44 Q) = (HP x 75e) รท H HP = 10, e = 0.6, H = 44 Q) = (10 x 75 x 0.6) รท 44 , ,
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PVC pipe)
x 10 % = 2.5 Delivery pipe) ,
H) = 25 + 2.5+ 1 + 10 = 38.5 Q) = (HP x 75e) รท H HP = 7.5, e = 0.6, H = 38.5 Q) = (7.5 x 75 x 0.6) รท 38.5 ,
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รท 36,000) x 60
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