RCC Structures Design MCQ Questions & Answers

If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:

A) (1 - C) mf - eE B) (C - 1) mf + eE C) (C - 1) mf - eE D) (1 - C) mf + eE

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Answer & Solution

Answer: Option B

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The percentage of minimum reinforcement of the gross sectional area in slabs, is

A) 0.10% B) 0.12% C) 0.15% D) 0.18%

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Answer & Solution

Answer: Option C

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If R and T are rise and tread of a stair spanning horizontally, the steps are supported by a wall on one side and by a stringer beam on the other side, the steps are designed as beams of width

A) R + T B) T - R C) $$\sqrt {{{\text{R}}^2} + {{\text{T}}^2}} $$ D) R - T

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Answer & Solution

Answer: Option C

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If ‘W’ is the uniformly distributed load on a circular slab of radius ‘R’ fixed at its ends, the maximum positive radial moment at its centre, is

A) $$\frac{{3{\text{W}}{{\text{R}}^2}}}{{16}}$$ B) $$\frac{{2{\text{W}}{{\text{R}}^2}}}{{16}}$$ C) $$\frac{{{\text{W}}{{\text{R}}^2}}}{{16}}$$ D) None of these

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Answer: Option C

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The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is

A) 51.5 B) 52.5 C) 53.5 D) 54.5

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Answer & Solution

Answer: Option C

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The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept

A) 0.7 B) 0.8 C) 0.9 D) 0.6

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Answer & Solution

Answer: Option C

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An R.C.C. column is treated as short column if its slenderness ratio is less than

A) 30 B) 35 C) 40 D) 50

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Answer & Solution

Answer: Option D

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A ribbed slab is provided for

A) A plain ceiling B) Thermal insulation C) Acoustic insulation D) All the above

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Answer & Solution

Answer: Option D

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The thickness of the topping of a ribbed slab, varies between

A) 3 cm to 5 cm B) 5 cm to 8 cm C) 8 cm to 10 cm D) 12 cm to 15 cm

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Answer & Solution

Answer: Option B

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The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than

A) 4 mm B) 5 mm C) 6 mm D) 7 mm

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Answer & Solution

Answer: Option D

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RCC Structures Design MCQ Questions & Answers | Civil Engineering