Civil Engineering - Building Materials

11. 

Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a

A. cant
B. deal
C. baulk
D. strip.

Answer: Option C

Explanation:

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12. 

Quick lime (or caustic lime)

A. is obtained by the calcination of pure lime stone
B. has great affinity to moisture
C. is amorphous
D. All the above.

Answer: Option D

Explanation:

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13. 

Pick up the correct statement from the following:

A. soft stones are required for carving
B. light stones are required for arches
C. hard stones are required to stand high pressure
D. All the above.

Answer: Option D

Explanation:

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14. 

Name the type of cement from the following for canal linings :

A. sulphate resisting cement
B. rapid hardening cement
C. quick setting cement
D. pozzuolana cement.

Answer: Option A

Explanation:

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15. 

Mastic asphalt is generally used for

A. damp proof course
B. water proof layer
C. partition walls
D. both (a) and (b).

Answer: Option D

Explanation:

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