Civil Engineering - RCC Structures Design

21. 

An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm φ placed symmetrically along the circumference. If it carries a load of 40, 000 kg axially, the stress is

A. 49.9 kg/cm2
B. 100 kg/cm2
C. 250 kg/cm2
D. 175 kg/cm2

Answer: Option A

Explanation:

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22. 

According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than

A. 20 cm
B. 30 cm
C. 40 cm
D. 50 cm
E. 75 cm

Answer: Option B

Explanation:

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23. 

The width of the rib of a T-beam, is generally kept between

A.
B.
C.
D.

Answer: Option D

Explanation:

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24. 

Pick up the true statement from the following:

A. Plain ceiling provides the best property diffusing light
B. In the absence of beams, it is easier to install piping
C. In the absence of beams, it is easier to paint
D. A flat slab is capable to withstand concentrated loads
E. All the above.

Answer: Option E

Explanation:

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25. 

A pile of length L carrying a uniformly distributed load W per metre length is suspended at two points, the maximum, B.M. at the centre of the pile or at the points of suspension, is

A.
B.
C.
D.
E.

Answer: Option C

Explanation:

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