The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about ________________ cm2/gm?

Related Mcqs:

1. Fusion of bauxite and ________________ produces high alumina cement?

   A. Alum
   B. Limestone
   C. Coke
   D. Quartz

2. Raw materials used for producing ________________ cement does not contain iron oxide?

   A. Waterproof
   B. Slag
   C. White
   D. Pozzolan

3. ________________ is the major constituent of the Portland cement?

   A. Calcium carbonate
   B. Calcium oxide
   C. Tricalcium silicate
   D. Calcium sulphate

4. Which of the following is not a raw material used for the manufacture of ordinary glass ?

   A. Iron oxide
   B. Soda ash
   C. Limestone
   D. Silica

5. Ordinary glass is not a/an_________________?

   A. Amorphous isotropic material
   B. Supercooled liquid
   C. Material with sharp definite melting point
   D. Electrical insulator

6. Production of one ton of cement requires about _______________ tons of limestone ?

   A. 0.6
   B. 1.2
   C. 2.2
   D. 3.8

7. Shrinkage volume in cement setting does not depend upon the _____________________?

   A. Sand to cement ratio
   B. Water to cement ratio
   C. Ambient temperature fluctuation
   D. Drying period

8. Which of the following is the second major component of cement ?

   A. Al2O3
   B. SiO2
   C. CaO
   D. Fe2O3

9. Portland cement consists mainly of__________________?

   A. CaO & SiO2
   B. SiO2 & Al2O3
   C. CaO & Al2O3
   D. CaO & Fe2O3

10. Main constituents of Portland cement are calcium aluminate and__________________?

    A. Gypsum
    B. Silicates
    C. Sodium silicate
    D. Carbonates