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The polished stone value of an aggregate is reported as the ______ of the two values of ______
- a)Mean, abrasion number
- b)Mean, skid number
- c)Sum, skid number
- d)Sum, abrasion number
Correct answer is option 'B'. Can you explain this answer?
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The polished stone value of an aggregate is reported as the ______ of ...
There are two stages conducted for this test. The sample is polished in the first stage and subjected to pendulum type friction tester in the second stage. The result obtained is the skid number and the mean of two values of the same is taken as the polished stone value.
Most Upvoted Answer
The polished stone value of an aggregate is reported as the ______ of ...
Explanation:
Polished Stone Value (PSV):
- The Polished Stone Value (PSV) of an aggregate is a measure of its resistance to polishing under traffic wear.
Calculation of PSV:
- The PSV is reported as the mean of the two values of the skid number.
Mean Value:
- In this context, the mean value refers to the average of two skid numbers obtained during testing.
Skid Number:
- The skid number is a measure of the skid resistance of the aggregate surface.
Importance of PSV:
- The PSV is an important parameter in the design of road pavements as it indicates the durability and performance of the aggregate under traffic conditions.
Correct Answer Justification:
- The correct answer is option 'B' because the PSV is calculated as the mean of the two skid numbers, not the abrasion number or the sum of the skid numbers. Skid numbers are directly related to the polishing and skid resistance of the aggregate surface, making them the relevant values for calculating the PSV.
Polished Stone Value (PSV):
- The Polished Stone Value (PSV) of an aggregate is a measure of its resistance to polishing under traffic wear.
Calculation of PSV:
- The PSV is reported as the mean of the two values of the skid number.
Mean Value:
- In this context, the mean value refers to the average of two skid numbers obtained during testing.
Skid Number:
- The skid number is a measure of the skid resistance of the aggregate surface.
Importance of PSV:
- The PSV is an important parameter in the design of road pavements as it indicates the durability and performance of the aggregate under traffic conditions.
Correct Answer Justification:
- The correct answer is option 'B' because the PSV is calculated as the mean of the two skid numbers, not the abrasion number or the sum of the skid numbers. Skid numbers are directly related to the polishing and skid resistance of the aggregate surface, making them the relevant values for calculating the PSV.
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The polished stone value of an aggregate is reported as the ______ of the two values of ______a)Mean, abrasion numberb)Mean, skid numberc)Sum, skid numberd)Sum, abrasion numberCorrect answer is option 'B'. Can you explain this answer?
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