Question
The average particle size, $D_p$ (in mm) represented in terms of fineness modulus (FM) can be estimated by the equation ________.
The correct answer is
$$D_p = 0.135 (1.366)^{FM}$$
Particle Size Estimation Using Fineness Modulus
The relationship between average particle size ($D_p$) and fineness modulus (FM) is often represented by an empirical equation. This equation helps estimate the particle size based on the fineness modulus value.
The specific equation provided relates $D_p$ (in mm) to FM as follows:
$D_p = 0.135 (1.366)^{FM}$
This formula is used in material science and civil engineering to characterize granular materials.
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