SSC JE Civil Engineering 25-Sep-2019 Shift 1 Solved Paper

Question : 176 of 200

Marks: +1, -0

A soil sample is subjected to laboratory sieve analysis using a complete set of standard IS sieves. Out of 3 kg of soil used in the test, 1200 gm was retained on IS 600 micron sieve, 1500 gm was retained on IS 500 micron sieve and the remaining 300 gm was retained of IS 425 micron sieve. The uniformity co-efficient for the soil is:

0.71
0.85
1.2
1.41

Validate

Solution:

As we know that
The uniformity coefficient =

(D_60/D_10)=600/425=1.41

Where,

D_60

= Sieve size of 60% particle passing from the sieve.

D_10

= Sieve size of 10% particle passing from the sieve.

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