Civil Engineering MCQs

Page No. 239

A very comfortable type of stairs is_______________?


aStraight

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bDog legged

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cGeometrical

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dOpen newel

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View Answer Open newel

For a ribbed slab______________?


aClear spacing between ribs shall not be greater than 4.5 cm

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bWidth of the rib shall not be less than 7.5 cm

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cOverall depth of the slab shall not exceed four times the breadth of the ri

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d All the above

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View Answer All the above

Minimum spacing between horizontal parallel reinforcement of the same size should not be less than________________?


aOne diameter

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b 2.5 diameters

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c3 diameters

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d3.5 diameters

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View Answer One diameter

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


aSquare

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bRectangular

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cTrapezoidal

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d Triangular

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View Answer Rectangular

According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is______________?


a Half of the width of the slab

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bTwo -third of the width of the slab

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cThree-fourth of the width of the slab

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d Four-fifth of the width of the slab

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Lapped splices in tensile reinforcement are generally not used for bars of size larger than______________?


a18 mm diameter

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b24 mm diameter

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c30 mm diameter

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d36 mm diameter

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View Answer 36 mm diameter

In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed downwards at the end of the heel slab, which is known as___________________?


a A key

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bA cut-off wall

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c A rib

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dAll the above

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View Answer All the above

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

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b0.8

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c 0.9

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d 0.6

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View Answer 0.9

the column head support a flat slab, is generally kept The diameter of_____________?


a 0.25 times the span length

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b. 0.25 times the diameter of the column

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c4.0 cm larger than the diameter of the column

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d5.0 cm larger than the diameter of the column

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The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is______________?


a35

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b25

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c30

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d 20

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View Answer 30

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