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The fineness modulus of an aggregate is roughly proportional to:
- a)average size of particles in the aggregate
- b)grading of the aggregate
- c)specific gravity of the aggregate
- d)shape of the aggregate
Correct answer is option 'A'. Can you explain this answer?
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The fineness modulus of an aggregate is roughly proportional to:a)aver...
Fineness modulus of an aggregate is an indicator of the mean size of particles. The coarser the particle, the higher the fineness modulus.
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The fineness modulus of an aggregate is roughly proportional to:a)aver...
Explanation:
Fineness modulus is a measure of the coarseness or fineness of an aggregate. It is calculated by adding the cumulative percentages of aggregate retained on each of the standard sieves, divided by 100. The result is then subtracted from 1 and multiplied by 100 to get the fineness modulus.
The following points explain why the fineness modulus of an aggregate is roughly proportional to the average size of particles in the aggregate:
• The larger the particle size, the higher the fineness modulus. This is because larger particles will be retained on the higher sieves, resulting in a higher cumulative percentage and a higher fineness modulus.
• The smaller the particle size, the lower the fineness modulus. This is because smaller particles will pass through the lower sieves, resulting in a lower cumulative percentage and a lower fineness modulus.
• The average size of particles in the aggregate is a key factor in determining the fineness modulus. The larger the average particle size, the higher the fineness modulus.
Therefore, option A, which states that the fineness modulus of an aggregate is roughly proportional to the average size of particles in the aggregate, is correct.
Fineness modulus is a measure of the coarseness or fineness of an aggregate. It is calculated by adding the cumulative percentages of aggregate retained on each of the standard sieves, divided by 100. The result is then subtracted from 1 and multiplied by 100 to get the fineness modulus.
The following points explain why the fineness modulus of an aggregate is roughly proportional to the average size of particles in the aggregate:
• The larger the particle size, the higher the fineness modulus. This is because larger particles will be retained on the higher sieves, resulting in a higher cumulative percentage and a higher fineness modulus.
• The smaller the particle size, the lower the fineness modulus. This is because smaller particles will pass through the lower sieves, resulting in a lower cumulative percentage and a lower fineness modulus.
• The average size of particles in the aggregate is a key factor in determining the fineness modulus. The larger the average particle size, the higher the fineness modulus.
Therefore, option A, which states that the fineness modulus of an aggregate is roughly proportional to the average size of particles in the aggregate, is correct.
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The fineness modulus of an aggregate is roughly proportional to:a)average size of particles in the aggregateb)grading of the aggregatec)specific gravity of the aggregated)shape of the aggregateCorrect answer is option 'A'. Can you explain this answer?
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