Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number of load applications without failure when subjected to________________?

Related Mcqs:

1. The ratio of endurance limit in shear to the endurance limit in flexure is__________________________?

   A. 0.33
   B. 0.4
   C. 0.5
   D. 0.55
   E. 0.6

2. The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of____________?

   A. 0.25
   B. 0.45
   C. 0.55
   D. 0.65
   E. 0.75

3. The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be_________________?

   A. same in both cases
   B. 2 times more
   C. 3 times more
   D. 4 times more
   E. unpredictable

4. In testing a material for endurance strength, it is subjected to_______________________?

   A. static load
   B. dynamic load
   C. impact load
   D. static as well as dynamic load
   E. completely reversed load

5. The endurance limit of a material with finished surface in comparison to rough surface is_________________?

   A. more
   B. less
   C. same
   D. more or less depending on quantum of load
   E. unpredictable

6. The fatigue limit of a material____________________?

   A. is greatly decreased by poor surface conditions
   B. remains same irrespective of surface conditions
   C. depends mainly on core composition
   D. is dependent upon yield strength of material
   E. none of the above

7. Resilience of a material is important, when it is subjected to________________?

   A. combined loading
   B. fatigue
   C. thermal stresses
   D. wear and tear
   E. shock loading

8. When a close coiled helical spring is compressed, its wire is subjected to________________?

   A. tension
   B. shear
   C. compression
   D. all of the above
   E. none of the above

9. If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to___________________?

   A. diameter of bolt
   B. 0.75 x diameter of bolt
   C. 1.25 x diameter of bolt
   D. 1.5 x diameter of bolt
   E. 0.5 x diameter of bolt

10. Yield point in fatigue loading as compared to static loading is__________________?

    A. same
    B. higher
    C. lower
    D. depends on other factors
    E. none of the above