Civil Engineering - Building Construction

11. 

The taper of precast concrete pile should not be more than

A. 1 cm per metre length
B. 2 cm per metre length
C. 4 cm per metre length
D. 5 cm per metre length.

Answer: Option B

Explanation:

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12. 

The under surface of an arch, is called

A. soffit
B. intrados
C. haunch
D. back.

Answer: Option A

Explanation:

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13. 

The raft slab is projected beyond the outer walls of the structure by

A. 5 to 10 cm
B. 15 to 20 cm
C. 25 to 30 cm
D. 30 to 45 cm
E. 60 cm.

Answer: Option D

Explanation:

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14. 

The process of making the back ground rough, before plastering, is

A. dubbing
B. hacking
C. blistering
D. peeling.

Answer: Option B

Explanation:

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15. 

Black cotton soil is unsuitable for foundations because its

A. bearing capacity is low
B. permeability is uncertain
C. particles are cohesive
D. property to undergo a volumetric change due to variation of moisture content.

Answer: Option D

Explanation:

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