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This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Metallurgy Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
1. |
If the Larsen-Miller parameter is 50*103 at the temperature of 600 degrees. The C1 is equal to 50. Find the fatigue life of the component in hr? |
A. | 1400 hr |
B. | 500 hr |
C. | 1442 hr |
D. | 54841 hr |
Answer» D. 54841 hr | |
2. |
According to Larser-Miller parameter, the relation between the log of rupture time and the inverse of temperature is shown in which curve in the following figure? |
A. | A |
B. | B |
C. | C |
D. | D |
Answer» D. D | |
3. |
According to Monkman and Grant, the relationship between the minimum creep rate and the rupture time is given as ________ (where the C and K are constant, and the tr is time to rupture and ε minimum creep rate). |
A. | tr + Cε = K |
B. | tr + C log ε = K |
C. | log tr + C log ε = K |
D. | tr + Cε = log K |
Answer» D. tr + Cε = log K | |