Strength of Materials Objective Type Questions - Set 08

Practice Test: Question Set - 08

1. The stress necessary to initiate yielding is
    (A) Considerably greater than that necessary to continue it
    (B) Considerably lesser than that necessary to continue it
    (C) Greater than that necessary to stop it
    (D) Lesser than that necessary to stop it

2. A lap joint is always in _________ shear.
    (A) Single
    (B) Double
    (C) Both A and B
    (D) None of these

3. When it is indicated that a member is elastic, it means that when force is applied, it will
    (A) Not deform
    (B) Be safest
    (C) Stretch
    (D) Not stretch

4. For a beam, as shown in the below figure, when the load W is applied in the center of the beam, the maximum deflection is

    (A) Wl3 / 48EI
    (B) 5Wl3 / 384EI
    (C) Wl3 / 392EI
    (D) Wl3 / 384EI

5. The relation between Young's modulus (E), shear modulus (C) and bulk modulus (K) is given by
    (A) E = 3K.C/(3K + C)
    (B) E = 6K.C/(3K + C)
    (C) E = 9K.C/(3K + C)
    (D) E = 12K.C/(3K + C)

6. The distance between the centers of the rivets in adjacent rows of zigzag riveted joint is known as
    (A) Pitch
    (B) Back pitch
    (C) Diagonal pitch
    (D) Diametric pitch

7. In the below figure, the stress corresponding to point ‘D’ is

    (A) Yield point stress
    (B) Breaking stress
    (C) Ultimate stress
    (D) Elastic limit

8. A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum shear stress will be
    (A) -100 MPa
    (B) 250 MPa
    (C) 300 MPa
    (D) 400 MPa

9. A cylindrical section having no joint is known as
    (A) Joint less section
    (B) Homogeneous section
    (C) Perfect section
    (D) Seamless section

10. A beam which is fixed at one end and free at the other is called
    (A) Simply supported beam
    (B) Fixed beam
    (C) Overhanging beam
    (D) Cantilever beam

11. The neutral axis of a transverse section of a beam passes through the centre of gravity of the section and is
    (A) In the vertical plane
    (B) In the horizontal plane
    (C) In the same plane in which the beam bends
    (D) At right angle to the plane in which the beam bends

12. The value of Poisson's ratio for steel is between
    (A) 0.01 to 0.1
    (B) 0.23 to 0.27
    (C) 0.25 to 0.33
    (D) 0.4 to 0.6

13. The columns whose slenderness ratio is less than 80, are known as
    (A) Short columns
    (B) Long columns
    (C) Weak columns
    (D) Medium columns

14. The stress developed in a material at breaking point in extension is called
    (A) Breaking stress
    (B) Fracture stress
    (C) Yield point stress
    (D) Ultimate tensile stress

15. For riveting, the size of hole drilled in plates is __________ shank diameter of rivet.
    (A) Equal to
    (B) Less than
    (C) Greater than
    (D) None of these

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