Civil Engineering MCQs

Page No. 196

Co-efficient of wind resistance of a circular surface, is________________?


a1/2


b1/3


c2/3


d3/2


View Answer 2/3

The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is________________?


aCircle


bParabola


cEllipse


dStraight line


View Answer Ellipse

In the cable shown in the given figure, the minimum tension occurs at___________________?


a A


bB


cC


dBetween A and C


View Answer C

cross sections of bronze and copper bars of equal lengt b c are their Ab and Ac are the respective stresses due to load P. If Pb and Pc are the loads shared by them, (where Eb and Ec are their modulii)____________________?


ab c = Eb /Ec


bP = Pb + Pc


c P = Ab b + Ac b


d All the above


View Answer All the above

H V are the algebraic sums of the forces resolved horizontally and vertically respectively, M is the algebraic sum of the moments of forces about any point, for the equilibrium of the body acted upon____________________?


aH = 0


bV = 0


cM = 0


dAll the above


View Answer All the above

A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2 MN/mm2, the tensile force developed at a temperature of 50°C, is_________________?


a80 N/mm2


b100 N/mm 2


c120 N/mm2


d150 N/mm2


View Answer 120 N/mm2

P = /4L² is the equation of Euler’s crippling load, if__________________?


aBoth the ends are fixed


bBoth the ends are hinged


c One end is fixed and other end is free


dOne end is fixed and other end is hinged



The S.F. diagram of a loaded beam shown in the given figure is that of________________?


aA simply supported beam with isolated central load


b A simply supported beam with uniformly distributed load


cA cantilever with an isolated load at the free end


dA cantilever with a uniformly distributed load



Shear strain energy theory for the failure of a material at elastic limit, is due to_________________?


aRankine


bGuest or Trecas


cSt. Venant


dVon Mises


View Answer Von Mises

Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as________________?


a Compound beams


bIndeterminate beams


cDeterminate beams


d Composite beams


View Answer Composite beams

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