Q.1

The maximum bending moment due to a moving load on a simply supported beam, occurs

  • at the mid span
  • at the supports
  • under the load
  • anywhere on the beam
  • none of these.
Q.2

The stress at which extension of a material takes place more quickly as compared to the increase in load, is called

  • elastic point
  • plastic point
  • breaking point
  • yielding point.
Q.3

Ties are load carrying members of a frame, which are subjected to

  • transverse loads
  • axial tension loads
  • axial compressive loads
  • torsional loads.
Q.4

The moment diagram for a cantilever carrying a concentrated load at its free end, will be

  • triangle
  • rectangle
  • parabola
  • cubic parabola.
Q.5

The stress at which extension of a material takes place more quickly as compared to the increase in load, is called

  • elastic point
  • plastic point
  • breaking point
  • yielding point.
Q.6

The moment diagram for a cantilever carrying a concentrated load at its free end, will be

  • triangle
  • rectangle
  • parabola
  • cubic parabola.
Q.7

The equivalent length of a column fixed at both ends, is

  • 0.5 l
  • 0.7 l
  • l
  • 2 l
  • 1.5 l.
Q.8

A short masonry pillar iscm xcm in cross-section, the core of the pillar is a square whose side is

  • 17.32 cm
  • 14.14 cm
  • 20.00 cm
  • 22.36 cm
  • 25.22 cm.
Q.9

Strain energy of any member may be defined as work done on it

  • to deform it
  • to resist elongation
  • to resist shortening
  • all the above.
Q.10

A three hinged arch is loaded with an isolated loadkg at a horizontal distance of 2.5 m from the crown, 1 m above the level of hinges at the supportsmetres apart. The horizontal thrust is

  • 1250 kg
  • 125 kg
  • 750 kg
  • 2500 kg
  • 2325 kg.
Q.11

At either end of a plane frame, maximum number of possible transverse shear forces, are

  • one
  • two
  • three
  • four
  • zero.
Q.12

The moment diagram for a cantilever carrying linearly varying load from zero at its free end and to maximum at the fixed end will be a

  • triangle
  • rectangle
  • parabola
  • cubic parabola.
Q.13

A three hinged parabolic arch hinged at the crown and springings, has a horizontal span of 4.8 m and a central rise of 1 m. It carries a uniformly distributed load of 0.tonne per metre over half left hand span. The horizontal thrust at the support will be

  • 10.8 tonnes
  • 1.08 tonnes
  • 1.8 tonnes
  • 0.8 tonnes
  • none of these.
Q.14

In a square beam loaded longitudinally, shear develops

  • on middle fibre along horizontal plane
  • on lower fibre along horizontal plane
  • on top fibre along vertical plane
  • equally on each fibre along horizontal plane
  • none of these.
Q.15

In a shaft rotated by a couple, the shear force varies

  • from zero at the centre to a maximum at the circumference
  • from minimum at the centre of maximum at the circumference
  • from maximum at the centre to zero at the circumference
  • equally throughout the section
  • none of these.
Q.16

Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose

  • one end is fixed and other end is hinged
  • both ends are hinged or pin jointed
  • one end is fixed and the other end entirely free
  • both the ends are fixed
  • none of the these.
Q.17

A 8 metre long simply supported rectangular beam which carries a distributed loadkg/m. experiences a maximum fibre stresskg/cm2. If the moment of inertia of the beam iscm4, the overall depth of the beam is

  • 10 cm
  • 12 cm
  • 15 cm
  • 16 cm
  • 18 cm.
Q.18

A 8 metre long simply supported rectangular beam which carries a distributed loadkg/m. experiences a maximum fibre stresskg/cm2. If the moment of inertia of the beam iscm4, the overall depth of the beam is

  • 10 cm
  • 12 cm
  • 15 cm
  • 16 cm
  • 18 cm.
Q.19

The slenderness ratio of a vertical column of square cross- section ofcm side andcm long, is

  • 117.2
  • 17.3
  • 173.2
  • 137.2
  • 13.72
Q.20

A rectangular log of wood is floating in water with a load ofN at its centre. The maximum shear force in the wooden log is

  • 50 N at each end
  • 50 N at the centre
  • 100 N at the centre
  • none of these.
Q.21

The slenderness ratio of a vertical column of square cross- section ofcm side andcm long, is

  • 117.2
  • 17.3
  • 173.2
  • 137.2
  • 13.72
Q.22

If the length of a cantilever carrying an isolated load at its free end is doubled, the deflection of the free end will increase by

  • 8
  • 1/8
  • 1/3
  • 2
  • 3
Q.23

The section modulus of a rectangular light beammetres long is 12.cm3. The beam is simply supported at its ends and carries a longitudinal axial tensile load oftonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is

  • 13.33 kg/cm2 tensile
  • 13.33 kg/cm2 compressive
  • 26.67 kg/cm2 tensile
  • 26.67 kg/cm2 compressive
  • none of these.
Q.24

The deflection of any rectangular beam simply supported, is

  • directly proportional to its weight
  • inversely proportional to its width
  • inversely proportional to the cube of its depth
  • directly proportional to the cube of its length
  • none of these.
Q.25

The following assumption is not true in the theory of pure torsion :

  • The twist along the shaft is uniform
  • The shaft is of uniform circular section throughout
  • Cross-section of the shaft, which is plane before twist remains plane after twist
  • All radii get twisted due to torsion.
Q.26

The rise of a parabolic arch at quarter points, is equal to

  • times the rise of the crown
  • times the rise of the crown
  • times the rise of the crown
  • times the rise of the crown
  • times the rise of the crown.
Q.27

The maximum deflection of

  • a simply supported beam carrying a uniformly increasing load from either end and having the apex at the mid span is
  • a fixed ended beam carrying a distributed load over the span is
  • a fixed ended beam carrying a concentrated load at the mid span is
  • a cantilever beam subjected to a moment M at the free end is
  • All the above.
Q.28

The length of a column which gives the same value of buckling load by Euler and Rankine-Gordon formula, is equal to

  • none of these.
Q.29

Shear deflection of a cantilever of length L, cross sectional area A and shear modulus G, under a concentrated load W at its free end, is

Q.30

The section modulus of a rectangular light beammetres long is 12.cm3. The beam is simply supported at its ends and carries a longitudinal axial tensile load oftonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is

  • 13.33 kg/cm2 tensile
  • 13.33 kg/cm2 compressive
  • 26.67 kg/cm2 tensile
  • 26.67 kg/cm2 compressive
  • none of these.
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