Civil Engineering - Building Construction

16. 

Rotary drilling

A. is not suitable for deposits containing very coarse gravel
B. hinders the ground water observations and permeability test
C. is not economical for holes of less than 10 cm.
D. all the above.

Answer: Option D

Explanation:

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

17. 

In places where the soil is soft and has small resistance to the flow of concrete, which one of the following types of piles, is used

A. vibro pile
B. pressure pile
C. Franki pile
D. pedestal pile.

Answer: Option A

Explanation:

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18. 

In grillage foundations a minimum 15 cm cover is provided on

A. upper flange of top tier
B. lower beam of lower tier
C. ends of external beams
D. none to these.

Answer: Option B

Explanation:

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19. 

The skirting/dado in a bath roof should be upto

A. ceiling
B. 15 cm above floor level
C. 200 cm
D. level of the tap.

Answer: Option C

Explanation:

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20. 

The maximum bearing capacity of soil is that of

A. black cotton soil
B. loose fine sandy soil
C. dry coarse sandy soil
D. hard rocks
E. soft clay soil.

Answer: Option D

Explanation:

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