Table 1.
Sample | Mixing proportion of different particle size flour | |||
---|---|---|---|---|
Coarse (>890 μ) | Medium (120–890 μ) | Fine (<120 μ) | Mean Particle Size (μ) | |
A | 10 | 60 | 30 | 359 ± 4 |
B | 20 | 50 | 30 | 425 ± 6 |
C | 30 | 30 | 40 | 465 ± 6 |
D | 30 | 50 | 20 | 520 ± 6 |
E | 40 | 50 | 10 | 614 ± 8 |
F | 50 | 30 | 20 | 652 ± 8 |
G | 60 | 30 | 10 | 746 ± 10 |
Figures in the parentheses are standard deviations