3.11
- 1. How does Mechanics of Materials relate to real-world engineering design?
- 2. Why is stress analysis important in motor shafts?
- 3. What is the role of mechanics in transformer core design?
- 4. How is Mechanics of Materials applied in electrical machines?
- 5. What is the importance of safety factor?
- 6. What are the basic steps in designing machine elements?
- 7. What is structural analysis?
- 8. What is stiffness matrix?
- 9. What is load analysis?
- 10. What is mechanical advantage in load systems?
- 11. What is the modulus of toughness?
- 12. What is the difference between Charpy and Izod tests?
- 13. What is notch impact test?
- 14. What is proof resilience?
- 15. What is energy absorbed under impact?
- 16. What is gradually applied load?
- 17. What is sudden loading?
- 18. What is impact factor?
- 19. What is impact stress?
- 20. Define dynamic loading.
- 21. How can fatigue life be improved?
- 22. What are fatigue cracks?
- 23. What factors influence creep rate?
- 24. What is rupture stress?
- 25. What are stages of creep?
- 26. Define creep.
- 27. Define endurance limit.
- 28. What is S–N curve?
- 29. What causes fatigue?
- 30. Define fatigue.
- 31. How are thermal stresses handled in composite bars?
- 32. What is orthotropic material?
- 33. What are anisotropic materials?
- 34. What is modular ratio?
- 35. What is load sharing in composite bars?
- 36. What is laminated composite?
- 37. What is reinforced concrete beam?
- 38. What is equivalent modulus of elasticity?
- 39. What are types of composite beams?
- 40. What are composite materials?
- 41. What are ways to reduce thermal stresses?
- 42. What is thermal shock?
- 43. What causes thermal fatigue?
- 44. What is residual stress?
- 45. What is temperature gradient?
- 46. What happens when expansion is restrained?
- 47. What is stress due to temperature rise?
- 48. What is coefficient of thermal expansion?
- 49. Define thermal strain.
- 50. Define thermal stress.
- 51. What are design measures to reduce stress concentration?
- 52. What is notch sensitivity?
- 53. What is fracture toughness?
- 54. What is ductile fracture?
- 55. What is brittle fracture?
- 56. What is fatigue failure?
- 57. What is stress concentration factor?
- 58. What is stress raiser?
- 59. What causes stress concentration?
- 60. What is stress concentration?
- 61. What is Maxwell’s reciprocal theorem?
- 62. What is complementary energy?
- 63. What is Castigliano’s theorem?
- 64. What is strain energy due to axial load?
- 65. What is strain energy due to torsion?
- 66. What is strain energy due to bending?
- 67. Define modulus of resilience.
- 68. Define proof resilience.
- 69. Define resilience.
- 70. Define strain energy.
- 71. How is failure predicted for complex stresses?
- 72. What is yield criterion?
- 73. What is safety factor?
- 74. Which theory is used for brittle materials?
- 75. Which theory is used for ductile materials?
- 76. What is distortion energy theory?
- 77. What is maximum shear stress theory?
- 78. What is maximum strain theory?
- 79. What is maximum stress theory?
- 80. What are different theories of failure?
- 81. What is 3D stress system
- 82. What are normal and tangential stresses?
- 83. What is state of pure shear?
- 84. What is state of simple stress?
- 85. What is the significance of Mohr’s circle?
- 86. What is Mohr’s circle?
- 87. Derive the formula for principal stresses in 2D stress system.
- 88. What is maximum shear stress?
- 89. Define principal planes.
- 90. Define principal stresses.
- 91. What is equivalent length of column?
- 92. What are end conditions for columns?
- 93. Define crippling load.
- 94. What is Rankine’s formula?
- 95. What are assumptions in Euler’s theory?
- 96. State Euler’s formula.
- 97. Define slenderness ratio.
- 98. What is buckling?
- 99. Define strut.
- 100. Define column.