Strength of Material Interview Questions for Freshers - Set 16 - ObjectiveBooks

Strength of Material Interview Questions for Freshers - Set 16

Practice Test: Question Set - 16

1. The moment diagram for a cantilever carrying a concentrated load at its free end, will be
    (A) Triangle
    (B) Rectangle
    (C) Parabola
    (D) Cubic parabola

2. The forces, which meet at one point, but their lines of action do not lie in a plane, are called
    (A) Coplanar non-concurrent forces
    (B) Non-coplanar concurrent forces
    (C) Non-coplanar non-concurrent forces
    (D) Intersecting forces

3. The shear stress at any section of a shaft is maximum
    (A) At the centre of the section
    (B) At a distance r/2 from the centre
    (C) At the top of the surface
    (D) At a distance 3/4 r from the centre

4. If the width b and depth d of a beam simply supported with a central load are interchanged, the deflection at the centre of the beam will be changed in the ratio of
    (A) b/d
    (B) d/b
    (C) (d/b)2
    (D) (b/d)2

5. The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be
    (A) r/2
    (B) 2r/3
    (C) r/A
    (D) 3r/2

6. A three hinged parabolic arch hinged at the crown and springing, has a horizontal span of 4.8 m and a central rise of 1 m. It carries a uniformly distributed load of 0.75 tonne per metre over half left hand span. The horizontal thrust at the support will be
    (A) 10.8 tonnes
    (B) 1.08 tonnes
    (C) 1.8 tonnes
    (D) 0.8 tonnes

7. 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
    (A) Plasticity of the metal
    (B) Elasticity of the metal
    (C) Fatigue of the metal
    (D) Workability of the metal

8. A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly
    (A) 38 m
    (B) 62.5 m
    (C) 96 m
    (D) 124 m

9. Stress in a beam due to simple bending, is
    (A) Directly proportional
    (B) Inversely proportional
    (C) Curvilinearly related
    (D) None of these

10. The ratio of the tensile stress developed in the wall of a boiler in the circumferential direction to the tensile stress in the axial direction, is
    (A) 4
    (B) 3
    (C) 2
    (D) 1

11. According to law of triangle of forces
    (A) Three forces acting at a point will be in equilibrium
    (B) Three forces acting at a point can be represented by a triangle, each side being proportional to force
    (C) If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium
    (D) If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two

12. The deflection due to couple M at the free end of a cantilever length L is
    (A) ML/EI
    (B) 2ML/EI
    (C) ML2/2EI
    (D) M2L/2EI

13. The bending moment is maximum on a section where shearing force
    (A) Is maximum
    (B) Is minimum
    (C) Is equal
    (D) Changes sign

14. Which one of the following statements is not correct?
    (A) The tangent of the angle of friction is equal to coefficient of friction
    (B) The angle of repose is equal to angle of friction
    (C) The tangent of the angle of repose is equal to coefficient of friction
    (D) The sine of the angle of repose is equal to coefficient to friction

15. For a simply supported beam with a central load, the bending moment is
    (A) Least at the centre
    (B) Least at the supports
    (C) Maximum at the supports
    (D) Maximum at the centre

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