Machine Design - Interview Questions | Exam2Win

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76. Maximum principal stress theory is applicable for

A. ductile materials

B. brittle materials

C. elastic materials

D. all of the above

E. none of the above.

Explanation:

77. 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".

Explanation:

78. The following type of nut is used with alien bolt

A. alien nut

B. hexagonal nut

C. slotted nut

D. castle nut

E. any one of the above.

Explanation:

79. The property of a material which enables it to resist fracture due to high impact loads is known as

A. elasticity

B. endurance

C. strength

D. toughness

E. resilience.

Explanation:

80. 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.

Explanation: