Cement content should be such that concrete has sufficient alkalinity (PH value).

Related MCQs

• The placing of concrete should start width-wide in reinforced cement concrete slabs from one end.
• The strength of cement concrete increases with the increase of water cement ratio.
• The cement concrete having water-cement ratio less than 0.45 by weight, causes honey-comb structure.
• If the various concrete ingredients i.e. cement, sand and aggregates are in the ratio of 1:3:6, the grade of concrete, is
• The compressive strength of an ordinary Portland cement (1 : 3 cement mortar cube) after 7 days test should not be less than
• For reinforced cement concrete lintels and slabs, the nominal size of coarse aggregate should not exceed.
• Workability of concrete mix having very low water-cement ratio should be obtained by
• The process of mixing, transporting, placing and compacting the cement concrete should not take more than
• As compared to ordinary Portland cement, high alumina cement has
• Which of the following ingredient of cement when added in excess quantity, causes the cement to set slowly?