SSC JE Civil Engineering 2018 Set 4 Solved Paper

Question : 103 of 200

Marks: +1, -0

The proportions of ingredients in concrete mix are given by 1:2:4. What will be the actual quantity of the sand per unit volume of cement, if it undergoes 20% of bulking?

Validate

Solution:

Mix proportion = 1 : 2 : 6
Let the volume of cement = 1 m

^{3}

(as given unit volume of cement)
Volume of sand = 2 m

^{3}

Actual volume of sand = 2 [1+ (20/100)] = 2.4 m

^{3}

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