Q.1

The maximum height of a masonry dam of a triangular section whose base width is b and specific gravity s, is

  • bs
    97-21-188.png
  • b.s
    97-21-188.png
  • bs
    97-21-188.png
  • s b
    97-21-188.png
Q.2

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

Q.3

The maximum height of a masonry dam of a triangular section whose base width is b and specific gravity s, is

  • bs
    97-21-188.png
  • b.s
    97-21-188.png
  • bs
    97-21-188.png
  • s b
    97-21-188.png
Q.4

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

Q.5

A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is

Q.6

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

Q.7

The maximum height of a masonry dam of a triangular section whose base width is b and specific gravity s, is

  • bs
    97-21-188.png
  • b.s
    97-21-188.png
  • bs
    97-21-188.png
  • s b
    97-21-188.png
Q.8

The maximum height of a masonry dam of a triangular section whose base width is b and specific gravity s, is

  • bs
    97-21-188.png
  • b.s
    97-21-188.png
  • bs
    97-21-188.png
  • s b
    97-21-188.png
Q.9

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

Q.10

A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is

Q.11

The ratio of shear stress and shear strain of an elastic material, is

  • Modulus of Rigidity
  • Shear Modulus
  • Young's Modulus
  • Modulus of Elasticity
  • both (a) and (b).
Q.12

A cantilever of length 2 cm and depthcm tapers in plan from a widthcm to zero at its free end. If the modulus of elasticity of the material is 0.2 x 106 N/mm2, the deflection of the free end, is

  • 2 mm
  • 3 mm
  • 4 mm
  • 5 mm
  • 6 mm
Q.13

The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called

  • stiffness
  • proof resilience
  • proof stress
  • proof load.
Q.14

A compound bar consists of two bars of equal length. Steel bar cross-section ismm2 and that of brass bar ismm2. These are subjected to a compressive load 100,N. If Eb = 0.2 MN/mm2 and Eb = 0.1 MN/mm2, the stresses developed are:

  • σb = 10 N/mm2, σs = 20 N/mm2
  • σb = 8 N/mm2, σs = 16 N/mm2
  • σb = 6 N/mm2, σs = 12 N/mm2
  • σb = 5 N/mm2, σs = 10 N/mm2
Q.15

Pick up the correct statement from the following:

  • The bending stress in a section is zero at its neutral axis and maximum at the outer fibres
  • The shear stress is zero at the outer fibres and maximum at the neutral axis
  • The bending stress at the outer fibres, is known as principal stress
  • The planes of principal stresses are inclined at 45° to the neutral plane
  • All the above.
Q.16

If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span,

  • horizontal thrust is wl2/8h
  • S.F. will be zero throughout
  • B.M. will be zero throughout
  • all the above.
Q.17

The greatest load which a spring can carry without getting permanently distorted, is called

  • stiffness
  • prof resilience
  • proof stress
  • proof load.
Q.18

The locus of reaction of a two hinged semi-circular arch, is

  • straight line
  • parabola
  • circle
  • hyperbola.
Q.19

Flat spiral springs

  • consist of uniform thin strips
  • are supported at outer end
  • are wound by applying a torque
  • are used in clock-work mechanism
  • all the above.
Q.20

A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress isN/mm2. If the slope at the ends is 0.radian and the value of E = 0.2 x 106 N/mm2, the depth of the joist, is

  • 200 mm
  • 250 mm
  • 300 mm
  • 350 mm
  • 400 mm
Q.21

Pick up the correct statement from the following:

  • For a uniformly distributed load, the shear force varies linearly
  • For a uniformly distributed load, B.M. curve is a parabola
  • For a load varying linearly, the shear force curve is a parabola
  • For a load varying linearly, the B.M. curve is a cubic parabola
  • All the above.
Q.22

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

  • 80 N/mm2
  • 100 N/mm2
  • 120 N/mm2
  • 150 N/mm2
Q.23

Pick up the correct statement from the following:

  • For a uniformly distributed load, the shear force varies linearly
  • For a uniformly distributed load, B.M. curve is a parabola
  • For a load varying linearly, the shear force curve is a parabola
  • For a load varying linearly, the B.M. curve is a cubic parabola
  • All the above.
Q.24

The ratio of the area of cross-section of a circular section to the area of its core, is

  • 4
  • 8
  • 12
  • 16
Q.25

The yield moment of a cross section is defined as the moment that will just produce the yield stress in

  • the outer most fibre of the section
  • the inner most fibre of the section
  • the neutral fibre of the section
  • the fibre everywhere
Q.26

The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is

  • 1.0
  • 1.5
  • 2.0
  • 2.5
  • 3.0
Q.27

The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is

  • 1
    95-21-168-3.png
  • 2
Q.28

A three hinged arch is generally hinged at its supports and

  • at one quarter span
  • at the crown
  • any where in the rib
  • none of these.
Q.29

The yield moment of a cross section is defined as the moment that will just produce the yield stress in

  • the outer most fibre of the section
  • the inner most fibre of the section
  • the neutral fibre of the section
  • the fibre everywhere
Q.30

A simply supported uniform rectangular bar breadth b, depth d and length L, carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is

0 h : 0 m : 1 s