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What is the primary function of admixtures in concrete?

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Question: What is the primary function of admixtures in concrete?

Options:

  1. To reduce the cost of materials
  2. To enhance specific properties of concrete
  3. To increase the weight of concrete
  4. To replace cement in the mix

Correct Answer: To enhance specific properties of concrete

Solution:

Admixtures are used to enhance specific properties of concrete, such as workability, setting time, and durability.

What is the primary function of admixtures in concrete?

Practice Questions

Q1
What is the primary function of admixtures in concrete?
  1. To reduce the cost of materials
  2. To enhance specific properties of concrete
  3. To increase the weight of concrete
  4. To replace cement in the mix

Questions & Step-by-Step Solutions

What is the primary function of admixtures in concrete?
Correct Answer: Admixtures enhance specific properties of concrete.
  • Step 1: Understand what admixtures are. Admixtures are materials added to concrete before or during mixing.
  • Step 2: Know that the primary function of admixtures is to improve the properties of concrete.
  • Step 3: Identify specific properties that admixtures can enhance, such as workability (how easy it is to mix and pour), setting time (how quickly it hardens), and durability (how long it lasts).
  • Step 4: Realize that by using admixtures, we can make concrete better suited for different construction needs.
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