Civil Engineering - Building Materials

6. 

The filler used in plastic bitumen, is

A. shale powder
B. talc powder
C. asbestos powder
D. plastic powder
E. none of these.

Answer: Option C

Explanation:

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7. 

Resins are

A. not soluble in water
B. soluble in spirit
C. used in varnishes
D. left behind on evaporation of oil
E. all the above.

Answer: Option E

Explanation:

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8. 

Refractory bricks are used for

A. retaining walls
B. columns
C. piers
D. combustion chambers.

Answer: Option D

Explanation:

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9. 

Expanded metal is

A. manufactured from steel sheets
B. used for reinforced concrete in road pavements
C. measured in term of SWM (shortway mesh) and LWM (long way mesh)
D. all the above.

Answer: Option D

Explanation:

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10. 

The rock generally used for roofing, is

A. granite
B. basalt
C. slate
D. pumice.

Answer: Option C

Explanation:

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