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In hydrometer analysis for a soil mass
- a)both meniscus correction and dispersing agent correction are additive
- b)both meniscus correction and dispersing agent correction are subtractive
- c)meniscus correction is additive and dispersing agent correction is subtractive
- d)meniscus correction is subtractive and dispersing agent correction is additive
Correct answer is option 'C'. Can you explain this answer?
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In hydrometer analysis for a soil massa)both meniscus correction and d...
Hydrometer method is used to determine the particle size distribution of fine-grained soils passing 75 u sieve. The hydrometer measures the specific gravity of the soil suspension at the center of its bulb. The specific gravity depends upon the mass of solids present, which in turn depends upon the particle size.
MENISCUS CORRECTION - tve correction
Temp correction - tve or -ve
dispersion agent correction - -ve
Most Upvoted Answer
In hydrometer analysis for a soil massa)both meniscus correction and d...
Hydrometer analysis is a method used to determine the particle size distribution of soils. When conducting hydrometer analysis, it is important to make corrections for both the meniscus and the dispersing agent used.
Meniscus Correction
The hydrometer used in the analysis has a meniscus, which is the curved surface of the liquid that forms in the tube around the hydrometer. The meniscus can affect the accuracy of the measurement, so it is necessary to correct for it. The correction involves reading the hydrometer at the level of the liquid surface at the bottom of the meniscus.
Dispersing Agent Correction
Dispersing agents are used to separate soil particles and prevent them from sticking together during the analysis. The dispersing agent can affect the density of the liquid, which can also affect the accuracy of the measurement. The correction involves measuring the density of the liquid with the dispersing agent and without the soil, and then subtracting the density of the liquid without the dispersing agent from the density of the liquid with the dispersing agent.
Additive and Subtractive Corrections
In hydrometer analysis, the corrections for the meniscus and the dispersing agent are additive and subtractive, respectively. This means that the correction for the meniscus is added to the observed reading, while the correction for the dispersing agent is subtracted from the observed reading.
Conclusion
Hydrometer analysis is a useful method for determining the particle size distribution of soils. To ensure accurate results, it is important to make corrections for both the meniscus and the dispersing agent used. The correction for the meniscus is additive, while the correction for the dispersing agent is subtractive.
Meniscus Correction
The hydrometer used in the analysis has a meniscus, which is the curved surface of the liquid that forms in the tube around the hydrometer. The meniscus can affect the accuracy of the measurement, so it is necessary to correct for it. The correction involves reading the hydrometer at the level of the liquid surface at the bottom of the meniscus.
Dispersing Agent Correction
Dispersing agents are used to separate soil particles and prevent them from sticking together during the analysis. The dispersing agent can affect the density of the liquid, which can also affect the accuracy of the measurement. The correction involves measuring the density of the liquid with the dispersing agent and without the soil, and then subtracting the density of the liquid without the dispersing agent from the density of the liquid with the dispersing agent.
Additive and Subtractive Corrections
In hydrometer analysis, the corrections for the meniscus and the dispersing agent are additive and subtractive, respectively. This means that the correction for the meniscus is added to the observed reading, while the correction for the dispersing agent is subtracted from the observed reading.
Conclusion
Hydrometer analysis is a useful method for determining the particle size distribution of soils. To ensure accurate results, it is important to make corrections for both the meniscus and the dispersing agent used. The correction for the meniscus is additive, while the correction for the dispersing agent is subtractive.
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In hydrometer analysis for a soil massa)both meniscus correction and dispersing agent correction are additiveb)both meniscus correction and dispersing agent correction are subtractivec)meniscus correction is additive and dispersing agent correction is subtractived)meniscus correction is subtractive and dispersing agent correction is additiveCorrect answer is option 'C'. Can you explain this answer?
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In hydrometer analysis for a soil massa)both meniscus correction and dispersing agent correction are additiveb)both meniscus correction and dispersing agent correction are subtractivec)meniscus correction is additive and dispersing agent correction is subtractived)meniscus correction is subtractive and dispersing agent correction is additiveCorrect 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 In hydrometer analysis for a soil massa)both meniscus correction and dispersing agent correction are additiveb)both meniscus correction and dispersing agent correction are subtractivec)meniscus correction is additive and dispersing agent correction is subtractived)meniscus correction is subtractive and dispersing agent correction is additiveCorrect 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 In hydrometer analysis for a soil massa)both meniscus correction and dispersing agent correction are additiveb)both meniscus correction and dispersing agent correction are subtractivec)meniscus correction is additive and dispersing agent correction is subtractived)meniscus correction is subtractive and dispersing agent correction is additiveCorrect answer is option 'C'. Can you explain this answer?.
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