Civil Engineering - Building Materials

36. 

Good quality stones must

A. be durable
B. be free from clay
C. resist action of acids
D. all the above.

Answer: Option D

Explanation:

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

37. 

Sewer pipes are made of

A. earthen ware
B. stone ware
C. refractory clay
D. terracota
E. all the above.

Answer: Option B

Explanation:

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

38. 

Fibre glass

A. retains heat-longer
B. has a higher strength to weight ratio
C. is shock proof and fire retardent
D. does not decay
E. all the above.

Answer: Option E

Explanation:

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

39. 

Pick up the correct statement from the following:

A. The theory of formation of concrete is based on the phenomena of formation of voids
B. The bulking of sand is taken into account while volumetric proportioning of the aggregates
C. The dry sand and the sand completely flooded with water, have practically the same volume
D. The expansion and contraction joints are provided if concrete structures exceed 12 m in length
E. All the above.

Answer: Option E

Explanation:

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

40. 

Pick up the correct statement from the following:

A. In stone arches, the stones are placed with their natural beds radial
B. In cornices, the stones are placed with their natural beds as vertical
C. In stone walls, the stones are placed with their natural beds as horizontal
D. All the above.

Answer: Option D

Explanation:

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