Entry Level Civil Engineer Objective Questions - Set 04 - ObjectiveBooks

Entry Level Civil Engineer Objective Questions - Set 04

Practice Test: Question Set - 04

1. Pick up the incorrect statement
    (A) The cross-sectional area of the welded member is effective
    (B) A welded joint develops strength of its parent metal
    (C) Welded joints provide rigidity
    (D) Welding takes more time than riveting

2. A 8 metre long simply supported rectangular beam which carries a distributed load 45 kg/m. experiences a maximum fibre stress 160 kg/cm2. If the moment of inertia of the beam is 640 cm4, the overall depth of the beam is
    (A) 10 cm
    (B) 12 cm
    (C) 15 cm
    (D) 18 cm

3. A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if
    (A) The floor is smooth, the wall is rough
    (B) The floor is rough, the wall is smooth
    (C) The floor and wall both are smooth surfaces
    (D) The floor and wall both are rough surfaces

4. A triangular section having base b, height h, is placed with its base horizontal. If the shear stress at a depth y from top is q, the maximum shear stress is
    (A) 3S/bh
    (B) 4S/bh
    (C) 4b/Sh
    (D) 3b/bS

5. Maximum deflection of a
    (A) Cantilever beam carrying a concentrated load W at its free end is WL3/3EI
    (B) Simply supported beam carrying a concentrated load W at mid-span is WL3/48EI
    (C) Cantilever beam, carrying a uniformly distributed load over span is WL3/8EI
    (D) All the above

6. From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate
    (A) 0.5 cm
    (B) 1.0 cm
    (C) 1.5 cm
    (D) 2.5 cm

7. If a rectangular beam measuring 10 × 18 × 400 cm carries a uniformly distributed load such that the bending stress developed is 100 kg/cm2. The intensity of the load per metre length, is
    (A) 240 kg
    (B) 250 kg
    (C) 260 kg
    (D) 270 kg

8. If two tensile forces mutually perpendicular act on a rectangular parallelepiped bar are equal, the resulting elongation of the pipe, is
    (A) (P/E) (1 - m)
    (B) (E/P) (m -1)
    (C) (E/P) (1 - m)
    (D) (P/E) (1 + m)

9. On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be
    (A) Towards the wall at its upper end
    (B) Away from the wall at its upper end
    (C) Upwards at its upper end
    (D) Downwards at its upper end

10. If the rivets in adjacent rows are staggered and outermost row has only one rivet, the arrangement of the rivets, is called
    (A) Chain riveting
    (B) Zig-zag riveting
    (C) Diamond riveting
    (D) None of these

11. The bending moment at C of a portal frame shown in below figure is
Civil SOM-Set 04, Question No. 11
    (A) 8 t-m
    (B) 4 t-m
    (C) 28 t-m
    (D) Zero

12. If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either
    (A) Meet in a point
    (B) Be all parallel
    (C) At least two of them must meet
    (D) All the above are correct

13. In a three hinged arch, the shear force is usually
    (A) Maximum at crown
    (B) Maximum at springing
    (C) Maximum at quarter points
    (D) Varies with slope

14. If Z and I are the section modulus and moment of inertia of the section, the shear force F and bending moment M at a section are related by
    (A) F = My/I
    (B) F = M/Z
    (C) F = dM/dx
    (D) F = ∫Mdx

15. A pair of smith's tongs is an example of the lever of
    (A) Zeroth order
    (B) First order
    (C) Second order
    (D) Third order

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