Interview question based on skill :
Take as many assements as you can to improve your validate your skill rating
Total Questions: 5
1. Why is natural cement used very limitedly?
Correct Answer is : Sets too quickly
2. Who invented Portland cement and in which year?
Correct Answer is : William Aspdin, 1840s
3. What is the average particle size of cement?
Correct Answer is : 15 microns
4. What is the meaning of soundness of cement?
Correct Answer is : Ability to retain volume after setting.
5. Time elapsed from the instance of adding water until paste ceases to behave as fluid is called:
Correct Answer is : Initial setting time
