The silica in Portland cement should be

Related MCQs

• The initial setting time for ordinary Portland cement as per IS specifications should not be less than
• As per IS specifications, the maximum final setting time for ordinary Portland cement should be
• According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than
• A good Portland cement when tested for fineness, the percentage of residue left after sieving in 90 micron IS sieve should not exceed 10 percent.
• The compressive strength of a good Portland cement and standard sand mortar after 3 days of curing should not be less than
• The percentage of the residue left after sieving good Portland cement in 90 micron sieve should not exceed
• The specific surface (in cm2/g) of a good Portland cement should not be less than
• For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of
• The main ingredients of Portland cement are
• For the manufacture of Portland cement, the proportions of raw materials used, are