Strength of Material Interview Questions for Freshers - Set 20 - ObjectiveBooks

Strength of Material Interview Questions for Freshers - Set 20

Practice Test: Question Set - 20

1. For a given material Young's modulus is 200 GN/m2 and modulus of rigidity is 80 GN/m2. The value of Poisson's ratio is
    (A) 0.15
    (B) 0.20
    (C) 0.25
    (D) 0.30

2. The rise of a parabolic arch at quarter points, is equal to
    (A) 1/3 times the rise of the crown
    (B) 1/4 times the rise of the crown
    (C) 1/2 times the rise of the crown
    (D) 3/4 times the rise of the crown

3. The number of points of contraflexure in a simple supported beam carrying uniformly distributed load, is
    (A) 0
    (B) 1
    (C) 2
    (D) 3

4. When two plates butt together and are riveted with two cover plates with two rows of rivets, the joint is known as
    (A) Lap joint
    (B) Butt joint
    (C) Single riveted single cover butt joint
    (D) Double riveted double cover butt joint

5. 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
    (A) 1/2
    (B) 1/8
    (C) 2
    (D) 8

6. 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
    (A) Triangle
    (B) Rectangle
    (C) Parabola
    (D) Cubic parabola

7. When a rectangular beam is loaded longitudinally, shear develops on
    (A) Bottom fibre
    (B) Top fibre
    (C) Middle fibre
    (D) Every-horizontal plane

8. For a simply supported beam carrying uniformly distributed load W on it entire length L, the maximum bending moment is
    (A) WL/4
    (B) WL/8
    (C) WL/2
    (D) WL/3

9. Along the principal plan subjected to maximum principal stress
    (A) Maximum shear stress acts
    (B) Minimum shear stress acts
    (C) No shear stress acts
    (D) None of these

10. The width of a beam of uniform strength having a constant depth d length L, simply supported at the ends with a central load W is
    (A) 2WL/3fd2
    (B) 3WL/2fd2
    (C) 2fL/3Wd4
    (D) 3fL2/2Wd

11. The distance between the centres of adjacent rivets in the same row, is called
    (A) Pitch
    (B) Lap
    (C) Gauge
    (D) Staggered pitch

12. Hooke's law states that stress and strain are
    (A) Directly proportional
    (B) Inversely proportional
    (C) Curvilinearly related
    (D) None of these

13. For a beam, if fundamental equations of statics are not sufficient to determine all the reactive forces at the supports, the structure is said to be
    (A) Determinate
    (B) Statically determinate
    (C) Statically indeterminate
    (D) None of these

14. The tension coefficient of any member is
    (A) Force divided by the length
    (B) Tension divided by the length
    (C) Tension per unit area
    (D) Tension in the member

15. Rankine-Golden formula accounts for direct as well as buckling stress and is applicable to
    (A) Very long columns
    (B) Long columns
    (C) Short columns
    (D) Intermediate columns

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