Waste Water Engineering Mcqs


Q.  The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock’s law, is__________________?

a. Vs = 418 (Gs – Gw) d [(3T + 70)/100]
b. Vs = 418 (Gs – Gw)d² [(3T + 70)/100]
c. Vs = 218 (Gs – Gw)d² [(3T + 70)/100]
d. Vs = 218 (Gs – Gw)d [(3T + 70)/100]



 
 

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