Physics · Concrete Technology
According to IS 383:1970 (Table 4), which of the following correctly specifies the percentage passing requirements for Grading Zone II fine aggregate?
- 1100% passing 10 mm; 95–100% passing 4.75 mm; 85–100% passing 2.36 mm; 60–79% passing 600 µm; 15–50% passing 300 µm
- 290–100% passing 10 mm; 90–100% passing 4.75 mm; 60–95% passing 2.36 mm; 15–34% passing 600 µm; 0–10% passing 150 µm
- 3100% passing 10 mm; 90–100% passing 4.75 mm; 75–100% passing 2.36 mm; 35–59% passing 600 µm; 0–10% passing 150 µm✓
- 4100% passing 10 mm; 80–90% passing 4.75 mm; 55–90% passing 2.36 mm; 35–59% passing 600 µm; 8–30% passing 300 µm
Correct answer
100% passing 10 mm; 90–100% passing 4.75 mm; 75–100% passing 2.36 mm; 35–59% passing 600 µm; 0–10% passing 150 µm
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