Civil Engineering - Building Materials

21. 

The colour of statuary marble used for sculptor's work, is

A. red
B. blue
C. white
D. green
E. yellow

Answer: Option C

Explanation:

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22. 

Second class bricks

A. are of dark brown colour
B. produce a metallic sound when struck
C. are well burnt
D. are under burnt.

Answer: Option B

Explanation:

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23. 

Pick up the correct statement from the following:

A. The low voltage porcelain is prepared by wet process
B. The high voltage porcelain is prepared by dry process
C. The low voltage porcelain is prepared by dry process
D. None of the above.

Answer: Option C

Explanation:

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24. 

Pick up the correct statement from the following:

A. Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38%
B. The bulking of fine sand is more than that of coarse sand
C. If the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing
D. The volume of fully saturated sand equals that of dry sand
E. All the above.

Answer: Option E

Explanation:

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25. 

Teak wood is suitable for

A. sports articles
B. furnitures
C. railway sleepers
D. all the above.

Answer: Option B

Explanation:

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