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3.9
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1.
How does FEA help in optimizing a design?
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2.
What are the limitations of FEA in machine design?
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3.
How is stress distribution analyzed using FEA?
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4.
What are boundary conditions in FEA, and why are they important?
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5.
What are the common types of elements used in FEA?
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6.
What are the advantages of using FEA in structural analysis?
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7.
What is Finite Element Analysis (FEA), and how is it used in machine design?
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8.
What is impact load, and how does it affect design?
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9.
What are the different types of loads that a machine component can experience?
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10.
What is load analysis in machine design?
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11.
What is the purpose of a centrifugal clutch?
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12.
What is regenerative braking, and how does it work?
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13.
How is braking torque calculated?
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14.
What are the key factors in brake pad material selection?
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15.
How do self-energizing brakes work?
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16.
What is the role of friction coefficient in clutch design?
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17.
How does a disc brake differ from a drum brake?
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18.
What are the different types of brakes used in machines?
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19.
What is the difference between a friction clutch and a positive clutch?
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20.
What are the different types of clutches used in machines?
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21.
How do springs behave under cyclic loading?
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22.
What are the key factors in spring material selection?
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23.
What is the function of a helical torsion spring?
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24.
How do you calculate spring stiffness?
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25.
What is the difference between compression and extension springs?
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26.
What are the different types of springs used in machines?
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27.
What is stress relief annealing in welding?
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28.
How do welding defects affect joint strength?
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29.
What is the difference between fillet and butt welds?
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30.
What are the different types of welding joints?
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31.
What are self-locking nuts, and where are they used?
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32.
How do preloaded bolts improve joint stability?
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33.
What is the role of torque in bolt tightening?
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34.
What is the difference between lap and butt joints in riveting?
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35.
What are the different types of riveted joints?
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36.
What is the difference between a bolt and a screw?
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37.
What are the different types of bolts used in mechanical joints?
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38.
What are keyways, and why are they used in shafts?
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39.
How is the diameter of a shaft determined?
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40.
What are the main types of shafts used in machine design?
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41.
How does temperature affect bearing life?
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42.
What is the importance of preloading in bearings?
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43.
What are the advantages of ball bearings over roller bearings?
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44.
What are the common failure modes in bearings?
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45.
What is bearing load rating, and how is it determined?
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46.
What is the difference between hydrostatic and hydrodynamic lubrication?
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47.
What is the function of lubrication in bearings?
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48.
What are the key design considerations for selecting a bearing?
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49.
What is the difference between rolling contact and sliding contact bearings?
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50.
What are the different types of bearings used in machines?
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51.
What are the materials commonly used for gear manufacturing?
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52.
What is gear backlash, and how does it affect performance?
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53.
How is gear efficiency calculated?
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54.
What is the difference between involute and cycloidal gear profile?
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55.
What is the significance of pressure angle in gears?
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56.
What are the main failure modes in gears?
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57.
What is gear ratio, and how does it affect machine performance?
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58.
What is the module of a gear, and how is it calculated?
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59.
What is the difference between spur gear and helical gear?
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60.
What are the different types of gears used in machine design?
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61.
How does failure theory affect the selection of materials?
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62.
What is the significance of load factor in design?
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63.
What is fatigue safety factor, and how is it different from static FoS?
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64.
How does the selection of failure criteria affect machine design?
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65.
What is Maximum Principal Stress Theory, and where is it used?
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66.
What is Distortion Energy Theory (Von Mises Criterion)?
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67.
What is Maximum Shear Stress Theory (Tresca’s Criterion)?
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68.
What are the different failure theories used in design?
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69.
Why is the Factor of Safety different for different applications?
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70.
What is Factor of Safety (FoS), and how is it determined?
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71.
What is the difference between high-cycle and low-cycle fatigue?
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72.
What are the major causes of fatigue failure in machine components?
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73.
What is fracture mechanics, and how does it help in failure prediction?
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74.
What is the difference between ductile and brittle failure?
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75.
What is a Goodman diagram, and how is it used in fatigue design?
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76.
How do surface treatments like shot peening improve fatigue life?
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77.
What are the different stages of fatigue failure?
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78.
What is the difference between fatigue strength and endurance limit?
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79.
What is fatigue failure, and how does it occur?
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80.
What is creep, and why is it important in material selection?
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81.
What is thermal stress, and how does it affect machine components?
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82.
How is stress concentration calculated, and why is it important?
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83.
What is the principle of superposition in stress analysis?
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84.
What is the significance of Mohr’s Circle in stress analysis?
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85.
What is torsional stress, and how is it different from bending stress?
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86.
How do you calculate bending stress in beams?
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87.
What is the difference between normal stress and shear stress?
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88.
What is Hooke’s Law, and how is it applied in machine design?
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89.
What is stress and strain? Explain their types.
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90.
What is the difference between empirical design and analytical design?
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91.
What are the key considerations while designing machine elements?
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92.
What is the difference between static and dynamic loading?
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93.
What is the role of ergonomics in machine design?
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94.
How does safety factor influence the design of a component?
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95.
What is the concept of reliability in machine design?
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96.
What is the difference between strength and stiffness in design?
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97.
What are the fundamental principles of machine design?
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98.
What are the main types of machine design?
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99.
What is machine design, and why is it important in mechanical engineering?