1.

The usual proportion of ingredients in reinforced cement concrete is

A. Portland cement (1 part), clean sand (2 to 4 parts) and coarse aggregate (1 to 2 parts)
B. Portland cement (1 part), clean sand (1 to 2 parts) and coarse aggregate (2 to 4 parts)
C. Porland cement (1 part), clean sand and coarse aggregate (2 to 4 parts)
D. any one of the above
Answer» C. Porland cement (1 part), clean sand and coarse aggregate (2 to 4 parts)


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