Civil Engineering - RCC Structures Design

36. 

The live load to be considered for an accessible roof, is

A. Nil
B. 75 kg/m3
C. 150 kg/m2
D. 200 kg/cm2

Answer: Option C

Explanation:

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37. 

A foundation is called shallow if its depth, is

A. one-fourth of its width
B. half of its width
C. three-fourth of its width
D. equal to its width
E. all the above.

Answer: Option D

Explanation:

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38. 

A circular slab subjected to external loading, deflects to form a

A. semi-hemisphere
B. ellipsoid
C. parabolloid
D. none of these.

Answer: Option C

Explanation:

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39. 

An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is

A. safe in shear
B. is safe with stirrups
C. is safe with stirrups and inclined members
D. needs revision of the section.

Answer: Option A

Explanation:

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40. 

In a doubly-reinforced beam if c and t are stresses in concrete and tension reinforcement, d is the effective depth and n is depth of critical neutral axis n, the following relationship holds good

A.
B.
C.
D.
E.

Answer: Option A

Explanation:

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