Civil Engineering - Building Materials

16. 

Ground glass

A. is made by grinding its one side
B. is made by melting powdered glass paints surface
C. is used for getting light without transparency
D. all the above.

Answer: Option D

Explanation:

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

17. 

The harmonious mixing of the clay ingredients, is known as

A. weathering
B. blending
C. tempering
D. None of these.

Answer: Option B

Explanation:

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

18. 

Brass is an alloy of

A. copper and zinc
B. zinc and lead
C. tin and silver
D. zinc and nickel
E. tin and lead.

Answer: Option A

Explanation:

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

19. 

The wedging is adopted for quarrying costly stratified rock such as

A. laterite
B. marble
C. limestone
D. sandstone
E. All the above.

Answer: Option E

Explanation:

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

20. 

Rapid hardening cement attains early strength due to

A. larger proportion of lime grounded finer than normal cement
B. lesser proportion of lime grounded coarser than normal cement
C. lesser proportion of lime grounded finer than normal cement
D. larger proportien of lime grounded coarser than normal cement
E. excess percentage of gypsum.

Answer: Option A

Explanation:

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