For testing compressive strength of cement, the size of cube used is_______________?

Related Mcqs:

1. For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of___________________?

   A. 1:2 B. 1:3 C. 1:4 D. 1:6...

2. Compared to mild steel, cast iron has (1) high compressive strength (2) high tensile strength (3) low compressive strength (4) low tensile strength The correct answer is_________________?

   A. (1) and (2) B. (2) and (3) C. (3) and (4) D. (1)and(4)...

3. According to IS specifications, the compressive strength of ordinary portland cement after three days should not be less than________________?

   A. 7 MPa B. 11.5 MPa C. 16 MPa D. 21 MPa...

4. The maximum quantity of calcium chloride used as an accelerator in cement in percentage by weight of cement is_______________?

   A. 1 B. 2 C. 3 D. 4...

5. The constituent of cement which is responsible for all the undesirable properties of cement is____________?

   A. dicalcium silicate B. tricalcium silicate C. tricalcium aluminate D. tetra calcium alumino ferrite...

6. The main constituent of cement which is responsible for initial setting of cement is_________________?

   A. dicalcium silicate B. tricalcium silicate C. tricalcium aluminate D. all of the above...

7. Early attainment of strength in rapid hardening cement is mainly due to_______________?

   A. gypsum B. finer grinding C. tricalcium silicate D. tricalcium aluminate...

8. The initial setting time for ordinary Portland cement as per IS specifications should not be less than_____________?

   A. 10 minutes B. 30 minutes C. 60 minutes D. 600 minutes...

9. Addition of pozzolana to ordinary Portland cement increases__________________?

   A. bleeding B. shrinkage C. permeability D. heat of hydration...

10. The normal consistency of ordinary Portland cement is about________________?

    A. 10% B. 20% C. 30% D. 40%...