section modulus of a square section of side B and that of a circular section of The ratio of the diameter D, is___________________?

Related Mcqs:

1. If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good_______________?

   A. E = 3K (1 – 2/m)
   B. E = 2N (1 + 1/m)
   C. (3/2)K (1 – 2/m) = N (1 + 1/m)
   D. All the above

2. A square column carries a load P at the centroid of one of the quarters of the square. If a is the side of the main square, the combined bending stress will be________________?

   A. p/a²
   B. 2p/a²
   C. 3p/a²
   D. 4p/a²

3. A short column (30 cm × 20 cm) carries a load P 1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be_________________?

   A. 2/3
   B. 3/2
   C. 8/5
   D. 5/8

4. The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is___________________?

   A. 1/8
   B. 1/4
   C. 1/2
   D. 1/3

5. The ratio of the area of cross-section of a circular section to the area of its core, is_______________?

   A. 4
   B. 8
   C. 12
   D. 16

6. a uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is___________________?

   A. el/2d
   B. e²l/3d²
   C. el²/3d²
   D. e²l²/3d²

7. The eccentricity (e) of a hollow circular column, external diameter 25 cm, internal diameter 15 cm for an eccentric load 100 t for non-development of tension, is__________________?

   A. 2.75 cm
   B. 3.00 cm
   C. 3.50 cm
   D. 4.25 cm

8. A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 × 106 kg/cm2, the side of the rod, is_________________?

   A. 1 cm
   B. 1.5 cm
   C. 2 cm
   D. 2.5 cm

9. The moment of inertia of a circular section about any diameter D, is______________?

   A. /64
   B. 4/32
   C. 3/64
   D. 4/64

10. At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by_________________?

    A. Depth of the section
    B. Depth of the neutral axis
    C. Maximum tensile stress at the section
    D. Maximum compressive stress at the section