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What is the purpose of the water-cement ratio in concrete?

Practice Questions

Q1
What is the purpose of the water-cement ratio in concrete?
  1. To determine the color
  2. To control the strength and durability
  3. To increase the weight
  4. To reduce the cost

Questions & Step-by-Step Solutions

What is the purpose of the water-cement ratio in concrete?
  • Step 1: Understand that concrete is made of cement, water, and aggregates (like sand and gravel).
  • Step 2: The water-cement ratio is the amount of water compared to the amount of cement in the mix.
  • Step 3: A lower water-cement ratio means less water, which usually makes the concrete stronger.
  • Step 4: A higher water-cement ratio means more water, which can make the concrete weaker and less durable.
  • Step 5: The right water-cement ratio helps ensure that the concrete can withstand pressure and last a long time.
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