Insufficient washing of sand grains in a rapid sand filter causes Options: A . &nbspair binding B . &nbspshrinkage of filtering media C . &nbspmud balls D . &nbspexpansion of filtering media

Insufficient washing of sand grains in a rapid sand filter causes

Question

Insufficient washing of sand grains in a rapid sand filter causes

Options:

A . air binding

B . shrinkage of filtering media

C . mud balls

D . expansion of filtering media

Answer: Option C
Answer: (c).mud balls

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