Which of the following operational problems relate to the functioning of rapid gravity filter ? 1. Inadequate media comprising filter bed 2. Sludge bulking 3. Mud balls 4. Negative head 5. Incrustation of media (a) 1, 3, 4 and 5 only (b) 1, 2, 3 and 4 only (c) 2, 3, 4 and 5 only (d) 1, 2, 3, 4 and 5

Which of the following operational problems relate to the functioning of rapid gravity filter ?
 1. Inadequate media comprising filter bed
 2. Sludge bulking
 3. Mud balls
 4. Negative head
 5. Incrustation of media
 (a) 1, 3, 4 and 5 only (b) 1, 2, 3 and 4 only (c) 2, 3, 4 and 5 only (d) 1, 2, 3, 4 and 5
by

1 Answer

Answer :

(a) 1, 3, 4 and 5 only
by

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