Civil Engineering - Concrete Technology

6. 

M10 grade of concrete approximates

A. 1 : 3 : 6 mix
B. 1 : 1 : 2 mix
C. 1 : 2 : 4 mix
D. 1 : 1.5 : 3 mix
E. none of these.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

7. 

For ensuring quality of concrete, use

A. single sized aggegates
B. two sized aggregate
C. graded aggregates
D. coarse aggregates.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

8. 

According to I.S. : 456, the number of grades of concrete mixes, is

A. 3
B. 4
C. 5
D. 6
E. 7

Answer: Option E

Explanation:

No answer description available for this question. Let us discuss.

9. 

The mixture of different ingredients of cement, is burnt at

A. 1000°C
B. 1200°C
C. 1400°C
D. 1600°C
E. 1800°C

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

10. 

The risk of segregation is more for

A. wetter mix
B. larger proportion of maximum size aggregate
C. coarser grading
D. all the above.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.