Mechanical Metallurgy Mock Test 8

1. The relation between amount of energy absorbed and test temperature is shown by curve _____

2. The addition of manganese in steel ___________ the ductile to brittle transition temperature?

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 t_r is time to rupture and ε minimum creep rate).

4. The high-temperature alloys are fabricated by which of the following method?

5. what is the order of ductile to brittle transition temperature for killed steel, semi-killed steel, and rimmed steel?

6. The diffusional creep is the chief mechanism activated in the stress range of ___________

7. The Larser-Miller parameter is used to predict the creep strength and the life of the component in long time by comparing the results obtained at elevated temperature in shorter time.

8. The ductile to brittle transition temperature in ceramic is around ____ of melting point (T_m)?

9. The liquid metal embrittlement is a combined effect of solid metal surface attacked by _________

10. The addition of carbon in steel ___________ the ductile to brittle transition temperature?