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The Lacey’s silt factor for a particular alluvium is 2.0. This alluvium would comprise
  • a)
    medium sand of size 0.5 mm
  • b)
    coarse sand of size 0.75 mm
  • c)
    medium bajri of size 1.3 mm
  • d)
    coarse bajri of size 2.4 mm
Correct answer is option 'C'. Can you explain this answer?
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The Laceys silt factor for a particular alluvium is 2.0. This alluvium...
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The Laceys silt factor for a particular alluvium is 2.0. This alluvium...
Explanation:

The Laceys silt factor is a measure of the silt content in a soil sample. It is calculated by dividing the percentage of silt particles by the square root of the percentage of sand particles. The higher the Laceys silt factor, the greater the silt content in the soil.

In this question, the Laceys silt factor for a particular alluvium is given as 2.0. We need to determine which of the given options would comprise this alluvium based on their particle sizes.

Particle Sizes:
- Medium sand: 0.5 mm
- Coarse sand: 0.75 mm
- Medium bajri: 1.3 mm
- Coarse bajri: 2.4 mm

Calculating Laceys silt factor:
To determine the Laceys silt factor for each option, we need to calculate the percentage of silt and sand particles in each sample.

a) Medium sand of size 0.5 mm:
Since there is no silt content mentioned for option a), the Laceys silt factor cannot be calculated. Therefore, option a) is not the correct answer.

b) Coarse sand of size 0.75 mm:
Similar to option a), there is no silt content mentioned for option b), so the Laceys silt factor cannot be calculated. Therefore, option b) is not the correct answer.

c) Medium bajri of size 1.3 mm:
Since there is no mention of the silt content in option c), we cannot calculate the Laceys silt factor for this option. However, we are given that the correct answer is option c), which means that this alluvium has a Laceys silt factor of 2.0.

d) Coarse bajri of size 2.4 mm:
Similar to options a) and b), there is no silt content mentioned for option d), so the Laceys silt factor cannot be calculated. Therefore, option d) is not the correct answer.

Conclusion:
Based on the given options, the correct answer is option c) - medium bajri of size 1.3 mm. Although we do not have the specific silt content mentioned for this option, we are given that the Laceys silt factor for this alluvium is 2.0. Therefore, option c) is the only possible answer.
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The Laceys silt factor for a particular alluvium is 2.0. This alluvium would comprisea)medium sand of size 0.5 mmb)coarse sand of size 0.75 mmc)medium bajri of size 1.3 mmd)coarse bajri of size 2.4 mmCorrect answer is option 'C'. Can you explain this answer?
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The Laceys silt factor for a particular alluvium is 2.0. This alluvium would comprisea)medium sand of size 0.5 mmb)coarse sand of size 0.75 mmc)medium bajri of size 1.3 mmd)coarse bajri of size 2.4 mmCorrect answer is option 'C'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about The Laceys silt factor for a particular alluvium is 2.0. This alluvium would comprisea)medium sand of size 0.5 mmb)coarse sand of size 0.75 mmc)medium bajri of size 1.3 mmd)coarse bajri of size 2.4 mmCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The Laceys silt factor for a particular alluvium is 2.0. This alluvium would comprisea)medium sand of size 0.5 mmb)coarse sand of size 0.75 mmc)medium bajri of size 1.3 mmd)coarse bajri of size 2.4 mmCorrect answer is option 'C'. Can you explain this answer?.
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