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


b [m/(m + r)] d


c [(m + r)/ m] d


d[(r – m)/m] d


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

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


aFooting


bRaft


cStrap


dStrip


View Answer Strip

As the percentage of steel increases________________?


aDepth of neutral axis decreases


bDepth of neutral axis increases


c Lever arm increases


dLever arm decreases



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


b24 bar diameters


c30 bar diameters


d36 bar diameters


View Answer 30 bar diameters

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


aOne-fourth the width of the panel


bHalf the width of the panel


cRadius of the column


d Diameter of the column



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


a 10 kg/cm2


b15 kg/cm2


c20 kg/cm2


d 25 kg/cm2


View Answer 20 kg/cm2

Pick up the true statement from the following?


a Plain ceiling provides the best property diffusing light


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


cIn the absence of beams, it is easier to paint


d All the above


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


bArea of the section


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


dMoment of the beam section about its neutral axis



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


bOverall thickness of the rib


cCentre to centre distance between T-beams


dAll the above


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


b0.3


c0.4


d0.5


View Answer 0.5

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