Creep MCQ’s

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This set of Materials Science Multiple Choice Questions & Answers (MCQs) focuses on “Creep”.

1. Which of the following isn’t a stage of creep?
a) Transient creep stage
b) Constant creep stage
c) Fracture stage
d) Steady stage creep stage

2. Which of the following stage is also known as the unstable stage?
a) Transient creep stage
b) Constant creep stage
c) Fracture stage
d) Steady stage creep stage

3. Which of the following is a slow rise of plastic deformation under the action of shear stresses when it is below the yield strength of the material?
a) Brittle fracture
b) Ductile fracture
c) Creep
d) Fatigue

4. In which of the stages, do we observe a constant deformation rate?
a) Transient creep stage
b) Constant creep stage
c) Fracture stage
d) Steady stage creep stage

5. Creep depends on temperature.
a) True
b) False

6. Which of the following is true?
a) The slope of the strain-time graph increases with temperature and stress
b) The slope of strain-time graph decreases with temperature
c) The slope of strain-time graph decreases with stress
d) The slope of strain-time graph does not depend on temperature or stress

7. In which of the following stages do the deformation rate increases and causes failure?
a) Transient creep stage
b) Constant creep stage
c) Fracture stage
d) Steady stage creep stage

8. Above what temperature is the phenomenon of creep important in steel?
a) 200 °C
b) 500 °C
c) 300 °C
d) 600 °C

9. What is the nature of the curve of a viscous creep?
a) Parabola
b) Hyperbola
c) Straight line passing through an origin
d) Circle

10. Diffusion creep is a type of creep. The slope of a strain-time graph increases with the increase in temperature.
a) True
b) False

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