The proportion of lime, silica, alumina and iron oxide in a good Portland cement should be

Related MCQs

• As compared to ordinary Portland cement, high alumina cement has
• Low heat cement contains more lime than ordinary Portland cement.
• The compressive strength of an ordinary Portland cement (1 : 3 cement mortar cube) after 7 days test should not be less than
• In the manufacture of possolana cement, the amount of pozzolana material added to ordinary Portland cement clinkers is about
• Ordinary Portland cement should not be used for construction work exposed to sulphates in the soil.
• Alumina in the cement lowers the clinkering temperature.
• The type of lime used in lime concrete is
• In lime concrete, lime is used as
• The magnesium oxide and sulphur dioxide when added in excess quantity makes the cement unsound.
• The sum of the percentage of tricalcium silicate and dicalcium silicate for Portland cement varies from