Question

The installation cost of a 20 m3 (cubic meter) stainless-steel tank in 1975 was $5000. The tank is cylindrical with flat top and bottom, and the diameter is 6 m. If the entire outer surface of the tank is to be covered with 2-in. thickness of Magnesia block, estimated the present total cost for the insulated tank at 1980. The cost for the 2-in. magnesia block was $1.40 per m2 (square meter) while the labor for installing the insulation was ?($3.00 per m2 (square meter) (1980

يجب اخذ ثلاث مراتب بعد الفارزة في النواتج The installation cost of a 20 m3 (cubic meter) stainless-steel tank in 1975 was $5000. The tank is cylindrical with flat top and bottom, and the diameter is 6 m. If the entire outer surface of the tank is to be covered with 2-in. thickness of Magnesia block, estimated the present total cost for the insulated tank at 1980. The cost for the 2-in. magnesia block was $1.40 per m2 (square meter) while the labor for installing the insulation was ?($3.00 per m2 (square meter) (1980

Answer 1

Solution 7 V= 20m² d =6m In 1975 Cost = $5 5000 In 1975 Cost Andex= 444 # In 1980 Cost Index = 560 # V = I d²h as A d² h 20m* = 4x 6%x* h 4 Th= 20 ท 97 = 2 in = 2* 0.0254 m = 0.0508 Thickness of Magnesta block Total area should be covered = Ex I dtach (A) A = 2 * 8² m² t -*x6m x 20 42 m IN # |A=69.8820011m² Total cost for Magnesia m² = A* 661-40 + $3-00) C = 69-8820041 m** $4.4em # C=8307-5 Potal Cost in 1975 (1975 $5000 + $307-5 # C1975 = $5307.5

# Total cost in 1975 Cost Index in 1975 Total cost in 1980 1975 (1980 Cost Index în 1980 $53075 444 560 C1980 Answer C1980 = $6694.14 Affron

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