Q.1

Pick up the correct statement from the following :

  • The point through which the resultant of the shear stresses, passes is known as shear centre
  • In the standard rolled channels, the shear centre is on the horizontal line passing through and away from the C.G. beyond web
  • In equal angles, the shear centre is on the horizontal plane and away from the C.G., outside of the leg projection
  • In T-sections, the shear centre is at the C.G. of the section
  • All the above.
Q.2

Shear force for a cantilever carrying a uniformly distributed load over its length, is

  • triangle
  • rectangle
  • parabola
  • cubic parabola.
Q.3

A member is balanced at its end by two inclined members carrying equal forces. For equilibrium the angle between the inclined bars must be

  • 45°
  • 60°
  • 90°
  • 120°
Q.4

In a continuous bending moment curve the point where it changes sign, is called

  • point of inflexion
  • point of contraflexture
  • point of virtual hinge
  • all the above.
Q.5

In a shaft shear stress intensity at a point is not

  • directly proportional to the distance from the axis
  • inversely proportional to the distance from the axis
  • inversely proportional to the polar moment of inertia
  • directly proportional to the applied torque.
Q.6

A member which does not regain its original shape after removed of load producing deformation is said

  • plastic
  • elastic
  • rigid
  • none of these.
Q.7

A steel rod of 2 cm diameter and 5 metres long is subjected to an axial pull ofkg. If E = 2.1 x 106, the elongation of the rod will be

  • 2.275 mm
  • 0.2275 mm
  • 0.02275 mm
  • 2.02275 mm.
Q.8

In rectangular columns (cross-section b x h), the core is a

  • rectangle of lengths b/2 and h/2
  • square of length b/2
  • rhombus of length h/2
  • rhombus of diagonals b/3 and h/3
  • none of the these.
Q.9

Failure of riverted joints is due to

  • Tearing of the plates between the rivet hole and the edge of the plate
  • Tearing of plates between rivets
  • Shearing of rivets
  • Crushing of rivets
  • All the above.
Q.10

Every material obeys the Hooke's law within its

  • elastic limit
  • plastic point
  • limit of proportionality
  • none of these.
Q.11

The moment diagram for a cantilever whose free end is subjected to a bending moment, will be a

  • triangle
  • rectangle
  • parabola
  • cubic parabola.
Q.12

The width b and depth d of a beam cut from a wooden cylindrical log ofcm diameter for maximum strength are :

  • b = 57.73 cm d = 81.65 cm
  • b = 81.65 cm d = 57.73 cm
  • b = 50.00 cm d = 50.00 cm
  • b = 40.00 cm d = 80.00 cm
  • b = 30.00 cm d = 60.00 cm.
Q.13

A beam of length L supported on two intermediate rollers carries a uniformly distributed load on its entire length. If sagging B.M. and hogging B.M. of the beam are equal, the length of each overhang, is

  • 0.107 L
  • 0.207 L
  • 0.307 L
  • 0.407 L
  • 0.5 L.
Q.14

If the width of a simply supported beam carrying an isolated load at its centre is doubled, the deflection of the beam at the centre is changed by

  • 2 times
  • 4 times
  • 8 times
  • 1/2 times
  • 3 times.
Q.15

Along the neutral axis of a simply supported beam

  • fibres do not undergo strain
  • fibres undergo minimum strain
  • fibres undergo maximum strain
  • none of these.
Q.16

A bending moment may be defined as :

  • Arithmetic sum of the moments of all the forces on either side of the section
  • Arithmetic sum of the forces on either side of the section
  • Algebraic sum of the moments of all the forces on either side of the section
  • None of these.
Q.17

Pick up the correct statement from the following :

  • The distance of the eccentric axial load from the C.G. beyond which tension develops, is known as kern distance
  • In visco-elastic material, stress-strain relation is dependent on time
  • An instropic material has different properties is different directions
  • An orthotropic material has different properties in three mutually perpendicular directions
  • All the above.
Q.18

A member which is subjected to reversible tensile or compressive stress may fail at a stress lower than the ultimate stress of the material. This property of metal, is called

  • plasticity of the metal
  • elasticity of the metal
  • fatigue of the metal
  • workability of the metal.
Q.19

In a simply supported beam (l + 2a) with equal overhangs (a) and carrying a uniformly distributed load over its entire length, B.M. at the middle point of the beam will be zero if

  • l = 2a
  • l = 4a
  • l < 2a
  • l > a
  • l > 3a.
Q.20

The maximum compressive stress at the top of a beam iskg/cm2 and the corresponding tensile stress at its bottom iskg/cm2 . If the depth of the beam iscm, the neutral axis from the top, is

  • 2 cm
  • 4 cm
  • 6 cm
  • 8 cm
  • 10 cm.
Q.21

Reactions at the supports of a structure can be determined by equating the algebraic sum of

  • horizontal forces to zero
  • vertical forces to zero
  • moment about any point to zero
  • all the above.
Q.22

If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar, becomes

  • zero
  • infinite
  • maximum
  • minimum.
Q.23

A long vertical member, subjected to an axial compressive load, is called

  • a column
  • a strut
  • a tie
  • a stanchion
  • all the above.
Q.24

For a stable frame structure, number of members required, is

  • three times the number of joints minus three
  • twice the number of joints minus three
  • twice the number of joints minus two
  • twice the number of joints minus one
  • none of these.
Q.25

To ascertain the maximum permissible eccentricity of loads on circular columns, the rule generally followed, is

  • middle half rule of columns
  • middle third rule of columns
  • middle fourth rule of columns
  • none of these.
Q.26

To ascertain the maximum permissible eccentricity of loads on circular columns, the rule generally followed, is

  • middle half rule of columns
  • middle third rule of columns
  • middle fourth rule of columns
  • none of these.
Q.27

Strain energy of a member may be equated to

  • average resistance x displacement
    56-3.94-2.png
    56-3.94-2.png
    56-3.94-2.png
  • stress x strain x area of its cross-section
  • stress x strain x volume of the member
  • (stress)2 x volume of the member + Young's modulus E.
Q.28

A member which does not regain its original shape after removed of load producing deformation is said

  • plastic
  • elastic
  • rigid
  • none of these.
Q.29

The property by which a body returns to its original shape after removal of the force, is called

  • plasticity
  • elasticity
  • ductility
  • malleability.
Q.30

The maximum load to which a fillet joint of length L can be subjected to, is

  • 0.7 x S x fillet size x L
    125-6.33-1.png
  • 2 x S x fillet size x L
    125-6.33-1.png
  • permissible shear stress x fillet size x L
    125-6.33-1.png
  • none of these.
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