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

3. 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...

4. 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...

5. 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...

6. Percentage of carbon content in mild steel is_______________?

   A. less than 0.25 B. between 0.25 and 0.7 C. between 0.7 and 1.5 D. greater than 1.5...

7. Which of the following cements contains maximum percentage of dicalcium silicate?

   A. ordinary Portland cement B. low heat cement C. rapid hardening cement D. sulphate resisting cement...

8. The main ingredients of Portland cement are________________?

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

9. 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...

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

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