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

Related Mcqs:

1. 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...

2. 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...

3. 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...

4. The predominant constituent which is responsible for strength in granite is_____________?

   A. quartz B. feldspar C. mica D. none of the above...

5. The main ingredients of Portland cement are________________?

   A. lime and silica B. lime and alumina C. silica and alumina D. lime and iron...

6. As per IS specifications, the maximum final setting time for ordinary Portland cement should be_______________?

   A. 30 minutes B. 1 hour C. 6 hours D. 10 hours...

7. 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...

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

   A. 50 mm B. 70.6 mm C. 100 mm D. 150 mm...

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

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

10. The most commonly used retarder in cement is_________________?

    A. gypsum B. calcium chloride C. calcium carbonate D. none of the above...