SSC JE Civil Engineering 2018 Set 3 Solved Paper

Question : 163 of 200

Marks: +1, -0

If aggregates completely pass through a sieve of size 75 mm and are retained on a sieve of size 60 mm, the aggregates will be known as elongated aggregate if its length is not less than

81.5 mm
91.5 mm
101.5 mm
121.5 mm

Validate

Solution:

Elongated aggregrate its length & 1.8 times of mean dimension.
Mean dimension =

{75+60}/2=67.5

1.8 × 67.5 = 121.5

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