RCC Structures Design MCQ Questions & Answers

91

If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is

A) Square B) Rectangular C) Trapezoidal D) Triangular

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Answer & Solution

Answer: Option B

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92

If the maximum shear stress at the end of a simply supported R.C.C. beam of 16 m effective span is 10 kg/cm², the length of the beam having nominal reinforcement, is

A) 12 cm B) 6 cm C) 8 cm D) 10 cm

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Answer & Solution

Answer: Option C

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93

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

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Answer & Solution

Answer: Option C

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94

The minimum cube strength of concrete used for a pre-stressed member, is

A) 50 kg/cm² B) 150 kg/cm² C) 250 kg/cm² D) 350 kg/cm²

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Answer & Solution

Answer: Option D

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95

Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at

A) Supports B) Mid span C) Every section D) Quarter span

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Answer & Solution

Answer: Option B

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96

If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is

A) $$\frac{{{\text{w}}\left( {{\text{R}} + {\text{T}}} \right)}}{{\text{T}}}$$ B) $$\frac{{{\text{w}}\sqrt {{{\text{R}}^2} + {{\text{T}}^2}} }}{{\text{T}}}$$ C) $$\frac{{{\text{w}}\sqrt {{\text{R}} + {\text{T}}} }}{{\text{T}}}$$ D) $${\text{w}}\frac{{\text{R}}}{{\text{T}}}$$

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Answer & Solution

Answer: Option B

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97

The modular ratio ‘m’ of a concrete whose permissible compressive stress is ‘C’, may be obtained from the equation.

A) $${\text{m}} = \frac{{700}}{{3{\text{C}}}}$$ B) $${\text{m}} = \frac{{1400}}{{3{\text{C}}}}$$ C) $${\text{m}} = \frac{{2800}}{{3{\text{C}}}}$$ D) $${\text{m}} = \frac{{3500}}{{3{\text{C}}}}$$ E) $${\text{m}} = \frac{{2300}}{{3{\text{C}}}}$$

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Answer & Solution

Answer: Option C

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98

The minimum number of main steel bars provided in R.C.C.

A) Rectangular columns is 4 B) Circular columns is 6 C) Octagonal columns is 8 D) All the above

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Answer & Solution

Answer: Option D

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99

The shear reinforcement in R.C.C. is provided to resist

A) Vertical shear B) Horizontal shear C) Diagonal compression D) Diagonal tension

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Answer & Solution

Answer: Option D

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100

In a combined footing if shear stress does not exceed 5 kg/cm², the nominal stirrups provided are

A) 6 legged B) 8 legged C) 10 legged D) 12 legged

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Answer & Solution

Answer: Option B

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RCC Structures Design MCQ Questions & Answers | Civil Engineering