1.

During lime concreting in foundation coarse aggregate shall be of hard, well-burnt or over-burnt brick ballast of __________ mm gauge.(a) 80 mm(b) 10 mm(c) 40 mm(d) 3mmThis question was posed to me in examination.This question is from Detailed Specifications in section Specifications, Estimation of Quantities of Materials and Transport of Civil Engineering Drawing

Answer»

Right option is (c) 40 mm

For EXPLANATION I would SAY: It shall be deep CHERRY red or copper colour and shall be CLEAN, free from dust, dirt, and other foreign matters. It shall be homogeneous in texture and rough cubical in shape. Ballast which APPEARS porous or shows signs of saltpeter shall not be used.



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