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Rate of hydration (slaking) does not depend on:

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in Basic Civil Engineering by (111k points)
Rate of hydration (slaking) does not depend on:

(a) Degree of burning of lime

(b) Degree of agitation

(c) Atmospheric conditions

(d) Composition of lime

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Question is taken from Calcination and Slaking of Lime in chapter Materials for Construction of Basic Civil Engineering

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Correct answer is (c) Atmospheric conditions

Easiest explanation: Over and under burned lime is undesirable.  Composition of lime (pure, clay) are important to determine slaking.  Pure lime slakes vigorously.  Slaking is carried in tank in closed conditions.  Too little agitation results in uneven mixing and leads to drowning or unhydrated particles of CaO.

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