The forces acting normally on the cross section of a bar shown in the given figure introduce_____________?

Related Mcqs:

1. The forces acting normally on the cross section of a bar shown in the given figure introduce_______________?

   A. Compressive stress
   B. Tensile stress
   C. Shear stress
   D. None of these

2. The forces acting on the bar as shown in the given figure introduce________________?

   A. Compressive stress
   B. Tensile stress
   C. Shear stress
   D. None of these

3. A compound bar consists of two bars of equal length. Steel bar cross -section is 3500 mm2and that of brass bar is 3000 mm2. These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm2 and Eb = 0.1 MN/mm2, the stresses developed are___________________?

   A. b = 10 N/mm2 s = 20 N/mm 2
   B. b = 8 N/mm2 s = 16 N/mm2
   C. b = 6 N/mm2 s = 12 N/mm2
   D. b = 5 N/mm2 s = 10 N/mm2

4. A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is_________________?

   A. WL/2AE
   B. WL/AE
   C. W²L/AE
   D. W²L/2AE

5. A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the bar, is___________________?

   A. 411 N mm
   B. 511 N mm=
   C. 611 N mm
   D. 711 N mm

6. To determine the force in BD of the truss shown in the given figure a section is passed through BD, CD and CE, and the moments are taken about________________?

   A. A joint
   B. B joint
   C. C joint
   D. D joint

7. For determining the force in the member AB of the truss shown in the given figure by method of sections, the section is made to pass through AB, AD and ED and the moments are taken about___________________?

   A. Joint C
   B. Joint B
   C. Joint D
   D. Joint A

8. The force in BC of the truss shown in the given figure, is___________________?

   A. 3.0 t compression
   B. 3.0 t tension
   C. t tension
   D. t compression

9. In the truss shown in given figure the force in member DC is________________?

   A. 100 t compressive
   B. 100 t tensile
   C. Zero
   D. Indeterminate

10. The S.F. diagram of a loaded beam shown in the given figure is that of________________?

    A. A simply supported beam with isolated central load
    B. A simply supported beam with uniformly distributed load
    C. A cantilever with an isolated load at the free end
    D. A cantilever with a uniformly distributed load