Truckloads for Swelled Excavated Soil
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1,000 m³ of bank soil swells by 25% when excavated. Trucks carry 10 m³ loose each. The number of truckloads needed is:
- A75
- B80
- C125
- D100
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Answer: C. 125
Equation: loose volume = bank volume × (1 + swell); loads = loose volume / truck capacity. Values: bank 1,000 m³, swell 25%, truck 10 m³ loose. Step 1: loose volume = 1,000 × 1.25 = 1,250 m³. Step 2: loads = 1,250/10 = 125. 100 uses bank volume; 80 divides by the swell; 75 subtracts it.
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