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

Related Mcqs:

1. 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...

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 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...

4. 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...

5. 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...

6. The most commonly used retarder in cement is_________________?

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

7. The main ingredients of Portland cement are________________?

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

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

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

9. The main constituent which imparts hydraulicity to hydraulic lime is______________?

   A. calcium oxide B. silica C. clay D. water...

10. Quick lime is (1) slow in setting (2) rapid in slacking (3) good in strength The correct answer is____________?

    A. only (1) B. only (2) C. both (1) and (2) D. both (2) and (3)...