A. cold working
B. shot peening
C. surface decarburisation
D. under-stressing
E. all of the above
Related Mcqs:
- Which process will increase the fatigue duration of parts ?
A. finishing and polishing
B. shot-peening
C. decarburisation
D. electroplating
E. all of the above”. - 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________________?
A. dynamic loading
B. static loading
C. combined static and dynamic loading
D. completely reversed loading
E. all of the above - Fatigue strength can be increased by__________________?
A. cold working
B. shot peening
C. grinding and lapping surface
D. hot working
E. using gradual changes of section - The fatigue life of a part can be improved by_____________________?
A. electroplating
B. polishing
C. coating
D. shot peening
E. heat treating - 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 - 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 - In nitrated parts, the origins of the fatigue cracks will occur at__________________?
A. surface
B. just below the surface
C. within the core
D. could occur anywhere
E. none of the above - Resistance to fatigue of a material is measured by________________?
A. Young’s modulus
B. coefficient of elasticity
C. elastic limit
D. ultimate tensile strength
E. endurance limit - Coaxing is the procedure of increasing__________________?
A. metal strength by cycling
B. metal hardness by surface treatment
C. metal resistance to corrosion by coating
D. fatigue limit by overstressing the metal by successively increasing loadings
E. none of the above - Which is correct statement ?
A. a member made of steel will generally be more rigid than a member of equal load-carrying ability made of cast iron
B. a member made of cast iron will generally be. more rigid than a member of equal load carrying ability made of steel
C. both will be equally rigid
D. which one is rigid will depend on several other factors
E. none of the above
