Civil Engineering MCQs

Page No. 257

For the design of retaining walls, the minimum factor of safety against overturning is taken as_____________?


a1.5

✖


b2.0

✓


c2.5

✖


d3.0

✖


View Answer 2.0

The minimum diameter of longitudinal bars in a column is________________?


a6 mm

✖


b8 mm

✖


c 12 mm

✓


d16 mm

✖


View Answer 12 mm

The diameter of ties in a column should be_______________?


amore than or equal to one fourth of diameter of main bar

✖


bmore than or equal to 5 mm

✖


cmore than 5 mm but less than one-fourth of diameter of main bar

✖


dmore than 5 mm and also more than one-fourth of diameter of main bar

✓



Maximum percentage reinforcement in case of slabs is limited to___________________?


a2

✖


b 4

✓


c6

✖


d8

✖


View Answer 4

The minimum cover to the ties or spirals should not be less than________________?


a15 mm

✖


b20 mm

✖


c25 mm

✓


d 50mm

✖


View Answer 25 mm

The limits of percentage p of the longitudinal reinforce-ment in a column is given by_____________?


a0.15% to 2%

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b0.8% to 4%

✖


c0.8% to 6%

✓


d0.8% to 8%

✖


View Answer 0.8% to 6%

The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone_________________?


acompressive stress

✖


bshear stress

✖


cbond stress

✓


dtensile stress

✖


View Answer bond stress

When shear stress exceeds the permissible limit in a slab, then it is reduced by____________?


a increasing the depth

✓


bproviding shear reinforcement

✖


cusing high strength steel

✖


dusing thinner bars but more in number

✖



The permissible diagonal tensile stress in reinforced brick work is_____________?


aabout 0.1 N/mm2

✓


bzero

✖


c0.3 N/mm2 to 0.7 N/mm2

✖


dabout 1.0 N/mm2

✖


View Answer about 0.1 N/mm2

If the size of panel in a flat slab is 6m x 6m, then as per Indian Standard Code, the widths of column strip and middle strip are__________________?


a 3.0 m and 1.5 m

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b1.5 m and 3.0 m

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c3.0 m and 3.0 m

✓


d1.5 m and 1.5 m

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View Answer 3.0 m and 3.0 m

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