The formation of cement paste at the surface is known as laitance.

Related MCQs

• 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.
• …………refers to the gain of strength of a set cement paste.
• The knowledge of a standard consistency of a cement paste is essential to perform
• The percentage of water for making a cement paste of normal consistency varies from
• The aggregates of rounded shape require minimum cement paste to make good concrete.
• The change of state of cement paste from fluid to solid is called hardening.
• In voids method of determining the quantity of cement paste, it is assumed that the
• 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?
• Low heat cement contains more lime than ordinary Portland cement.