Civil Engineering MCQJE Level Civil Engineering
Coagulation is required to remove:
Environmental EngineeringPublic Health and Environmental EngineeringHARD
Choose the correct answer
A
large stones only
B
colloidal impurities
C
clear dissolved oxygen
D
pipe friction
Correct Answer
B. colloidal impurities
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Coagulants destabilise fine colloids so they flocculate and settle.
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