RCC Structure MCQ

Q. 11 The width of the rib of a T-beam, is generally kept between

A. 1/3 to 1/2 of rib depth

B. 1/2 to 3/4 of rib depth

C. 1/7 to 1/3 of rib depthc

D. 1/3 to 2/3 of rib depth

D. 1/3 to 2/3 of rib depth


Q. 12A ribbed slab is provided for

A. Thermal insulation

B. Acoustic insulation

C. A plain ceiling

D. All the above

D. All the above


Q. 13 To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is

A. 0.207 L

B. 0.307 L

C. 0.107 L

D. 0.407 L

A. 0.207 L


Q. 14 The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm2 and 250 kg/cm2 respectively. If m = 15, the depth of its neutral axis is

A. 30 cm

B. 20 cm

C. 25 cm

D. 35 cm

A. 30 cm


Q. 15 If the depth of actual neutral axis of a doubly reinforced beam

A. Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier

B. Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously

C. Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier

D. All the above

D. All the above


Q. 16 The maximum diameter of a bar used in a ribbed slab, is

A. 20 mm

B. 22 mm

C. 12 mm

D. 6 mm

B. 22 mm


Q. 17 A column is regarded as long column if the ratio of its effective length and lateral dimension, exceeds

A. 20

B. 10

C. 25

D. 15

D. 15


Q. 18 According to the steel beam theory of doubly reinforced beams

A. Stress in tension steel equals the stress in compression steel

B. Tension is resisted by tension steel

C. Compression is resisted by compression steel

D. All the above


Q. 19 The breadth of a ribbed slab containing two bars must be between

A. 8 cm to 10 cm

B. 10 cm to 12 cm

C. 6 cm to 7.5 cm

D. 12 cm to 15 cm

A. 8 cm to 10 cm


Q. 20 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. 52.5

B. 53.5

C. 51.5

D. 54.5

B. 53.5


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