Civil Engineering - RCC Structures Design

16. 

The diameter of longitudinal bars of a column should never be less than

A. 6 mm
B. 8 mm
C. 10 mm
D. 12 mm
E. none of these.

Answer: Option D

Explanation:

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17. 

The design of a retaining wall assumes that the retained earth

A. is dry
B. is free from moisture
C. is not cohesives
D. consists of granular particles
E. all the above.

Answer: Option E

Explanation:

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18. 

Dimensions of a beam need be changed if the shear stress is more than

A. 10 kg/cm2
B. 15 kg/cm2
C. 20 kg/cm2
D. 25 kg/cm2

Answer: Option C

Explanation:

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19. 

The thickness of base slab of a retaining wall generally provided, is

A. one half of the width of the stem at the bottom
B. one-third of the width of the stem at the bottom
C. one fourth of the width of the steam at the bottom
D. width of the stem at the bottom
E. twice the width of the steam at the bottom.

Answer: Option D

Explanation:

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20. 

For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is

A. 1
B. 2
C. 3
D. 4
E. 5

Answer: Option B

Explanation:

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