The magnesium oxide and sulphur dioxide when added in excess quantity makes the cement unsound.

Related MCQs

• Which of the following ingredient of cement when added in excess quantity, causes the cement to set slowly?
• Lime when added in excess quantity
• In the manufacture of possolana cement, the amount of pozzolana material added to ordinary Portland cement clinkers is about
• To perform the soundness test, the water is added to the cement at the rate of 0.72 P by weight of cement, where P is the percentage of water required for normal consistency paste.
• The proportion of lime, silica, alumina and iron oxide in a good Portland cement should be
• A small quantity of …………. % of gypsum is added to prevent flash-setting of the cement.
• Highest oxide composition present in cement is……
• The cement concrete, from which entrained air and excess water are removed after placing it in position, is called ________
• The cement concrete, from which entrained air and excess water are removed after placing it in position, is called
• Efflorescence in cement is caused due to an excess of