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- Question
In a thick cylindrical shell subjected to an internal pressure (p), the tangential stress is always a tensile stress where as the radial stress is a compressive stress
Options- A. Correct
- B. Incorrect
- Correct Answer
- Correct
- 1. A column is said to be a short column, when
Options- A. its length is very small
- B. its cross-sectional area is small
- C. the ratio of its length to the least radhis of gyration is less than 80.
- D. the ratio of its length to the least radius of gyration is more than 80. Discuss
- 2. A bar of copper and steel form a composite system, which is heated to a temperature of 40°C. The stress induced in the copper bar will be
Options- A. tensile
- B. compressive
- C. shear
- D. zero Discuss
- 3. Which of the following statement is wrong?
Options- A. The deformation of the bar per unit length in the direction of the force is called linear strain.
- B. The Poisson's ratio is the ratio of lateral strain to the linear strain.
- C. The ratio of change in volume to the original volume is called volumetric strain.
- D. The bulk modulus is the ratio of linear stress to the linear strain. Discuss
- 4. The bending moment diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, will be
Options- A. a horizontal line
- B. a vertical line
- C. an inclined line
- D. a parabolic curve Discuss
- 5. The load required to produce a unit deflection in a spring is called
Options- A. flexural rigidity
- B. torsional rigidity
- C. spring stiffness
- D. Young's modulus Discuss
- 6. Shear strength of the welded joint for double parallel fillet is (where ? = Allowable shear stress for weld metal)
Options- A. 0.5 s.l.?
- B. s.l.?
- C. 2 s.l.?
- D. 2.s.l.? Discuss
- 7. The radius of the Mohr 's circle in the given figure is equal to
Options- A. sum of two principal stresses
- B. difference of two principal stresses
- C. half the sum of two principal stresses
- D. half the difference of two principal stresses Discuss
- 8. In a thick cylindrical shell subjected to an internal pressure (p), the radial stress across the thickness of the cylinder is
Options- A. maximum at the outer surface and minimum at the inner surface
- B. maximum at the inner surface and minimum at the outer surface
- C. maximum at the outer surface and zero at the inner surface
- D. maximum at the inner surface arid zero at the outer surface Discuss
- 9. When a shaft is subjected to a twisting moment, every cross-section of the shaft will be under
Options- A. tensile stress
- B. compressive stress
- C. shear stress
- D. bending stress Discuss
- 10. A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum shear stress will be
Options- A. -100 MPa
- B. 250 MPa
- C. 300 MPa
- D. 400 MPa Discuss
Strength of Materials problems
Search Results
Correct Answer: the ratio of its length to the least radhis of gyration is less than 80.
Correct Answer: compressive
Correct Answer: The bulk modulus is the ratio of linear stress to the linear strain.
Correct Answer: a parabolic curve
Correct Answer: spring stiffness
Correct Answer: 2 s.l.?
Correct Answer: half the difference of two principal stresses
Correct Answer: maximum at the inner surface arid zero at the outer surface
Correct Answer: shear stress
Correct Answer: 250 MPa
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