Core TradesQuestion 176 of 700
A water-reducing admixture is added to a concrete mix PRIMARILY to:
a.Achieve the desired workability while using less water, preserving strength
b.Increase the water-to-cement ratio for easier finishing
c.Extend the curing time to 28 days
d.Replace the need for reinforcing steel
Explanation
Water reducers let a mix reach the needed slump with less water, keeping the water-to-cement ratio low so strength is preserved. They lower, not raise, the water-to-cement ratio, do not set the curing period, and never substitute for structural reinforcement.
Law Reference: 2025 CA Building Code, Chapter 19 (Concrete)Practice all 700 questions free — no signup required.
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