A jar test has shown that the optimum dose

Reference no: EM13540167

1.A jar test has shown that the optimum dose of ferric chlorideconsumes all of the alkalinity. If the amount of the ferricchloride that is in excess is 10 mg/l, how much lime(Ca(OH)2) in mg/l must be added to neutralize the acid formed.

2.The uniform rod AB of weight W is released from rest when B=70. Assuming that the friction force between end A and the surface is large enough to prevent sliding, determine immediately after release

(a) the angular acceleration of the rod,

(b) the normal reaction at A,

Reference no: EM13540167

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