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In a length gauge used for determination of elongation index, what is the length of gauge size for sieve sets 25 mm and 20 mm?
- a)25.65
- b)40.5
- c)81
- d)32.4
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
In a length gauge used for determination of elongation index, what is ...
Length Gauge and Elongation Index:
A length gauge is used in civil engineering to determine the elongation index of aggregates. The elongation index is a measure of the elongated and flat particles in the aggregate sample. It is expressed as a percentage of the total weight of the sample.
Gauge Size for Sieve Sets 25 mm and 20 mm:
To determine the gauge size for sieve sets with sizes 25 mm and 20 mm, we need to calculate the combined length of the two sieves.
Calculating the Combined Length:
The combined length is the sum of the lengths of both sieve sizes. We can calculate it by adding the diameter of each sieve to the length of the sieve.
Given:
Sieve size 25 mm: Diameter = 25 mm
Sieve size 20 mm: Diameter = 20 mm
To calculate the length of the sieve, we need to use the following formula:
Length of sieve = (Diameter of sieve - Thickness of wire) / 2
Since we don't have the thickness of the wire, we assume it to be negligible.
Calculating the Length of Sieve Size 25 mm:
Length of sieve size 25 mm = (25 - 0) / 2
= 12.5 mm
Calculating the Length of Sieve Size 20 mm:
Length of sieve size 20 mm = (20 - 0) / 2
= 10 mm
Calculating the Combined Length:
Combined length = Length of sieve size 25 mm + Length of sieve size 20 mm
= 12.5 mm + 10 mm
= 22.5 mm
Conclusion:
Therefore, the length of the gauge size for sieve sets 25 mm and 20 mm is 22.5 mm. None of the given options (a, b, c, d) match the correct answer.
A length gauge is used in civil engineering to determine the elongation index of aggregates. The elongation index is a measure of the elongated and flat particles in the aggregate sample. It is expressed as a percentage of the total weight of the sample.
Gauge Size for Sieve Sets 25 mm and 20 mm:
To determine the gauge size for sieve sets with sizes 25 mm and 20 mm, we need to calculate the combined length of the two sieves.
Calculating the Combined Length:
The combined length is the sum of the lengths of both sieve sizes. We can calculate it by adding the diameter of each sieve to the length of the sieve.
Given:
Sieve size 25 mm: Diameter = 25 mm
Sieve size 20 mm: Diameter = 20 mm
To calculate the length of the sieve, we need to use the following formula:
Length of sieve = (Diameter of sieve - Thickness of wire) / 2
Since we don't have the thickness of the wire, we assume it to be negligible.
Calculating the Length of Sieve Size 25 mm:
Length of sieve size 25 mm = (25 - 0) / 2
= 12.5 mm
Calculating the Length of Sieve Size 20 mm:
Length of sieve size 20 mm = (20 - 0) / 2
= 10 mm
Calculating the Combined Length:
Combined length = Length of sieve size 25 mm + Length of sieve size 20 mm
= 12.5 mm + 10 mm
= 22.5 mm
Conclusion:
Therefore, the length of the gauge size for sieve sets 25 mm and 20 mm is 22.5 mm. None of the given options (a, b, c, d) match the correct answer.
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Community Answer
In a length gauge used for determination of elongation index, what is ...
The length of gauge size is obtained by multiplying the average of sieve sets with 1.8. So, for particles passing 25 mm sieve and retained on 20 mm sieve, the length of the gauge size would be
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In a length gauge used for determination of elongation index, what is the length of gauge size for sieve sets 25 mm and 20 mm?a)25.65b)40.5c)81d)32.4Correct answer is option 'B'. Can you explain this answer? for Civil Engineering (CE) 2025 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 a length gauge used for determination of elongation index, what is the length of gauge size for sieve sets 25 mm and 20 mm?a)25.65b)40.5c)81d)32.4Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a length gauge used for determination of elongation index, what is the length of gauge size for sieve sets 25 mm and 20 mm?a)25.65b)40.5c)81d)32.4Correct answer is option 'B'. Can you explain this answer?.
In a length gauge used for determination of elongation index, what is the length of gauge size for sieve sets 25 mm and 20 mm?a)25.65b)40.5c)81d)32.4Correct answer is option 'B'. Can you explain this answer? for Civil Engineering (CE) 2025 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 a length gauge used for determination of elongation index, what is the length of gauge size for sieve sets 25 mm and 20 mm?a)25.65b)40.5c)81d)32.4Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a length gauge used for determination of elongation index, what is the length of gauge size for sieve sets 25 mm and 20 mm?a)25.65b)40.5c)81d)32.4Correct answer is option 'B'. Can you explain this answer?.
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