SOM online Practice Test - Set 28

Practice Test: Question Set - 28

1. The shear force in the center of a simply supported beam carrying a uniformly distributed load of ‘w’ per unit length, is
    (A) Zero
    (B) wl²/2
    (C) wl²/4
    (D) wl²/8

2. Every direct stress is always accompanied by a strain in its own direction and an opposite kind of strain in every direction, at right angles to it. Such a strain is known as
    (A) Linear strain
    (B) Lateral strain
    (C) Volumetric strain
    (D) Shear strain

3. A beam extending beyond the supports is called
    (A) Simply supported beam
    (B) Fixed beam
    (C) Overhanging beam
    (D) Cantilever beam

4. The shear force and bending moment are zero at the free end of a cantilever beam, if it carries a
    (A) Point load at the free end
    (B) Point load at the middle of its length
    (C) Uniformly distributed load over the whole length
    (D) None of the above

5. Compression members always tend to buckle in the direction of the
    (A) Axis of load
    (B) Perpendicular to the axis of load
    (C) Minimum cross section
    (D) Least radius of gyration

6. In order to avoid tearing off the plate at an edge, the distance from the center of the rivet hole to the nearest edge of the plate (i.e. margin) should be (where d = Diameter of rivet hole in mm)
    (A) d
    (B) 1.5 d
    (C) 2 d
    (D) 2.5 d

7. A thin cylindrical shell of diameter (d) length (l) and thickness (t) is subjected to an internal pressure (p). The longitudinal stress in the shell is
    (A) pd/t
    (B) pd/2t
    (C) pd/4t
    (D) pd/6t

8. The maximum shear stress developed in a beam of rectangular section is __________ the average shear stress.
    (A) Equal to
    (B) 4/3 times
    (C) 1.5 times
    (D) Twice

9. The distance between the center of a rivet hole to the nearest edge of plate, is called
    (A) Margin
    (B) Pitch
    (C) Back pitch
    (D) Diagonal pitch

10. When a rectangular beam is loaded transversely, the maximum tensile stress is developed on the
    (A) Top layer
    (B) Bottom layer
    (C) Neutral axis
    (D) Every cross-section

11. The strain energy stored in a body, when suddenly loaded, is __________ the strain energy stored when same load is applied gradually.
    (A) Equal to
    (B) One-half
    (C) Twice
    (D) Four times

12. The load at which the column just buckles, is known as
    (A) Buckling load
    (B) Critical load
    (C) Crippling load
    (D) Any one of these

13. The steel bars in a reinforced cement concrete beam are embedded __________ of the beam.
    (A) In the center
    (B) Near the bottom
    (C) Near the top
    (D) At any position

14. A reinforced cement concrete beam is considered to be made of
    (A) Homogeneous material
    (B) Heterogeneous material
    (C) Composite material
    (D) Isotropic material

15. Principle plane is a plane on which the shear stress is
    (A) Zero
    (B) Minimum
    (C) Maximum
    (D) None of these

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Item Reviewed: SOM online Practice Test - Set 28 Rating: 5 Reviewed By: Pranab Debnath
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