What is the effect of using too much water in a concrete mix?
Correct Answer: Increased porosity reduces strength and durability.
- Step 1: Understand that concrete is made of cement, water, sand, and gravel.
- Step 2: Know that water is needed to help the cement bond with the other materials.
- Step 3: Realize that using too much water makes the mix too watery.
- Step 4: When there is too much water, it creates more spaces (porosity) in the concrete.
- Step 5: More spaces mean the concrete is weaker and less durable.
- Step 6: Weak concrete can crack easily and won't last as long.
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