SSC JE Civil Engineering 2017 Set 3 Solved Paper

Question : 120 of 200

Marks: +1, -0

For 100 sq .m cement concrete (1 : 2 : 4 :) 4 cm thick floor, the quantity of cement required is _____.

Solution:

Total

= 100 × 0.04 = 4m^3

.
1.65 is the dry unit wt of cement.
1 : 2 : 4 (1 + 2 + 4 = 7).
Cement required :

(4 × 1.65)/7

= 0.09428.

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