Civil Engineering MCQs

Page No. 202

The moment of inertia of a circular section about any diameter D, is______________?


a /64


b 4/32


c3/64


d4/64


View Answer 4/64

In the truss shown in given figure, the force in member BD is______________?


a100 t compressive


b100 t tensile


cZero


dIndeterminate


View Answer 100 t compressive

The eccentricity (e) of a hollow circular column, external diameter 25 cm, internal diameter 15 cm for an eccentric load 100 t for non-development of tension, is__________________?


a2.75 cm


b3.00 cm


c3.50 cm


d 4.25 cm


View Answer 4.25 cm

If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is 17/64 (f /N)s__________________?


a1/2


b1/3


c1/4


d1/5


View Answer 1/4

A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be________________?


a10 m


b12 m


c14 m


d16 m


View Answer 16 m

Principal planes are subjected to_________________?


a Normal stresses only


bTangential stresses only


cNormal stresses as well as tangential stresses


d None of these



The shape factor of standard rolled beam section varies from_______________?


a1.10 to 1.20


b1.20 to 1.30


c1.30 to 1.40


d1.40 to 1.50


View Answer 1.10 to 1.20

A simply supported beam carries a varying load from zero at one end and w at the other end. If the length of the beam is a, the shear force will be zero at a distance x from least loaded point where x is_________________?


aa/2


ba/3


ca


da/4


View Answer a

A rectangular column shown in the given figure carries a load P having eccentricities ex and ey along X and Y axes. The stress at any point (x, y) is_______________?


a(p/bd) [1 + (12ey. y/d²) + (12ex. x/d²)]


bp [1 + (6ey. y/b) + (6ex. x/ b)]


c (p/bd) [1 + (6ey. y/d) + (6ex. x/b)]


d (p/bd) [1 + (ey. y/d) + ( ex. x/d)]



parabolic arch of span and rise , is given by The equation of a________________?


ay = h/l² × (1 – x )


by = 2h/l² × (1 – x)


c y = 3h/l² × (1 – x)


d y = 4h/l² × (1 – x)



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