Explore topic-wise MCQs in Mechanical Metallurgy.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Metallurgy knowledge and support exam preparation. Choose a topic below to get started.

1.

The compressive residual stress ____________ the fatigue limit.

A. increases
B. decreases
C. does not change
D. no relation
Answer» B. decreases
Discussion
2.

As the mean stress increases, the allowable alternating stress on the component also increases.

A. True
B. False
Answer» C.
Discussion
3.

When the R (stress ratio) becomes more positive, the fatigue limit _____________

A. increases
B. decreases
C. remains constant
D. no relationship
Answer» B. decreases
Discussion
4.

When the value of R becomes positive, that indicates the mean stress is becoming _________

A. more negative
B. more positive
C. remain constant
D. no relationship
Answer» C. remain constant
Discussion
5.

If the mean stress is zero for any component, then the value of the stress ratio (R) will be equal to _______

A. 1
B. 0.5
C. -1
D. -0.5
Answer» D. -0.5
Discussion