Cement MCQs – Chapter 8 DAE

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1. Joseph Aspdin prepared cement in





2. Chemically cement is a mixture of silicates and aluminates of……





3. ……….Cement is prepared from chalk and clay free from iron oxide





4. …….Controls the setting time of cement is





5. A normal batch of cement consists of ……… limestone





6. ………is used in the manufacturing of cement.





7. Chemically Gypsum is….





8. The amount of …….is 62% in cement.





9. The length of rotary kiln is………meter





10. The diameter of rotary kiln is…….meter





11. ………is not present in white cement





12. CaSO4·2H2O is the formula of……..





13. Process of ……... play very important role in setting and hardening of cement





14. The amount of silicon dioxide in cement is





15. The quantity of gypsum in cement is…….





16. The process of hydration means……





17. The angle of rotary kiln with the ground is……





18. The rotary kiln rotates at the rate of………..circles per minute.





19. ………Cement is used in the marble and mosaic work.





20. The process of clinker formation takes place at……..temperature.





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