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Questions and Answers
Which of the following factors directly affects the workability of concrete?
Which of the following factors directly affects the workability of concrete?
- Ambient temperature
- Admixture type
- Water content (correct)
- Curing time
What is the purpose of the slump test?
What is the purpose of the slump test?
- To detect variations in the uniformity of a given concrete mix (correct)
- To measure the density of fully compacted concrete
- To determine the depth of penetration of a weighted ball
- To measure the diameter of the spread after vibration
What is the significance of a 'zero slump' result in the slump test?
What is the significance of a 'zero slump' result in the slump test?
- It indicates a stiff mix (correct)
- It indicates a segregated mix
- It indicates a rich mix
- It indicates a lean mix
Which test measures the depth of penetration of a weighted ball?
Which test measures the depth of penetration of a weighted ball?
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What is the purpose of the compacting factor test?
What is the purpose of the compacting factor test?
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What is the primary reason for segregation in wet concrete mixes?
What is the primary reason for segregation in wet concrete mixes?
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What is laitance?
What is laitance?
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What is the purpose of curing concrete?
What is the purpose of curing concrete?
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What is the primary characteristic of pumped concrete?
What is the primary characteristic of pumped concrete?
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What is the primary requirement for mixing water in concrete?
What is the primary requirement for mixing water in concrete?
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