Cement In Building Materials - Cement In Building Materials objective questions and answers

26.  The commonly used cement in cement paints is

   A. White cement

   B. Portland cement

   C. Alumina cement

   D. Rapid hardening cement

27.  Cement normally contains dicalcium silicate percentage equal to about

   A. 10

   B. 24.5

   C. 4.50

   D. 70

28.  For hydration of cement the water required as weight fraction of cement is

   A. 0.9

   B. 0.6

   C. 0.3

   D. 0.15

29.  Setting action of cement may be delayed by

   A. Pouring more water

   B. Adding gypsum

   C. Minimising gypsum

   D. Adding more sand

30.  Marble chips in coloured cement from the floor covering material called

   A. Terrazo

   B. Mosaic

   C. Linoleum

   D. Magnesite

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