Civil Engineering MCQs

Page No. 218

If the modular ratio is , steel ratio is and overall depth of a beam is , the depth of the critical neutral axis of the beam, is___________________?


a [m/(m – r)] d

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b [m/(m + r)] d

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c [(m + r)/ m] d

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d[(r – m)/m] d

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View Answer [m/(m + r)] d

For a number of columns constructed in a rcjw, the type of foundation provided, is_______________?


aFooting

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bRaft

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cStrap

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dStrip

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View Answer Strip

As the percentage of steel increases________________?


aDepth of neutral axis decreases

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bDepth of neutral axis increases

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c Lever arm increases

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dLever arm decreases

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The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than_______________?


a18 bar diameters

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b24 bar diameters

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c30 bar diameters

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d36 bar diameters

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View Answer 30 bar diameters

The effective width of a column strip of a flat slab, is_______________?


aOne-fourth the width of the panel

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bHalf the width of the panel

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cRadius of the column

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d Diameter of the column

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Dimensions of a beam need be changed if the shear stress is more than_______________?


a 10 kg/cm2

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b15 kg/cm2

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c20 kg/cm2

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d 25 kg/cm2

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View Answer 20 kg/cm2

Pick up the true statement from the following?


a Plain ceiling provides the best property diffusing light

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b In the absence of beams, it is easier to install piping

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cIn the absence of beams, it is easier to paint

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d All the above

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View Answer All the above

Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to__________________?


aShear force

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bArea of the section

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cDistance of the C.G. of the area from its neutral axis

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dMoment of the beam section about its neutral axis

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The width of the flange of a T-beam, which may be considered to act effectively with the rib depends upon____________________?


aBreadth of the rib

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bOverall thickness of the rib

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cCentre to centre distance between T-beams

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dAll the above

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View Answer All the above

If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by_________________?


a0.2

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b0.3

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c0.4

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d0.5

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View Answer 0.5

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