1. A beam of uniform strength has _____.
[A] same bending stress at every section
[B] same bending moment at every section
[C] same shear stress at every section
[D] same cross-section throughout the beam
Answer: Option A
2. The thermal or temperature stress is a function of ______.
[A] modulus of elasticity
[B] coefficient of linear expansion
[C] increase in temperature
[D] All of the above
Answer: Option D
3. A shaft of diameter D is subjected to a twisting moment (T) and a bending moment (M). If the maximum bending stress is equal to maximum shear stress developed, then M is equal to _____.
[A] T
[B] T/2
[C] 2T
[D] 3T
Answer: Option B
4. The shear force diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, consists of ______.
[A] one equilateral triangle
[B] one right angled triangle
[C] two equilateral triangles
[D] two right angled triangles
Answer: Option D
5. When a bar is cooled to – 5degree C, it will develop _____.
[A] tensile stress
[B] no stress
[C] shear stress
[D] compressive stress
Answer: Option A