**1. **If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 10^{5} N/mm^{2}) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm^{2}, the angle of twist in radians, is

- 0.001
- 0.002
- 0.0025
- 0.003

Correct answer: (C)

0.0025

**2. **A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is

- 0.207
- 0.307
- 0.407
- 0.508

Correct answer: (A)

0.207

**3. **For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is

- 0.303
- 0.404
- 0.505
- 0.707

Correct answer: (D)

0.707

**4. **The ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is

- 1
- 2
- 3
- 4

Correct answer: (D)

4

**5. **The ratio of maximum and average shear stresses on a rectangular section, is

- 1
- 1.25
- 1.5
- 2.5

Correct answer: (C)

1.5

**6. **The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is

- 1
- 1.5
- 2
- 3

Correct answer: (D)

3

**7. **In plastic analysis, the shape factor for rectangular section, is

- 1.4
- 1.5
- 1.6
- 1.7

Correct answer: (B)

1.5

**8. **In plastic analysis, the shape factor for a triangular section, is

- 1.5
- 1.34
- 2.34
- 2.5

Correct answer: (C)

2.34

**9. **In plastic analysis, the shape factor for a circular section, is

- 1.5
- 1.6
- 1.7
- 1.75

Correct answer: (C)

1.7

**10. **The ratio of the area of cross-section of a circular section to the area of its core, is

- 4
- 8
- 12
- 16

Correct answer: (D)

16