Explore topic-wise MCQs in Mechanical Metallurgy.

This section includes 8 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 slip bands inside a grain during creep was first observed by which instrument?

A. Scanning electron microscope
B. Transmission electron microscope
C. Phase-contrast microscopy
D. X-ray diffraction
Answer» D. X-ray diffraction
Discussion
2.

The formation of sub-grain structure inside the lattice is a phenomena observed in the high-temperature creep. The number of new sub-grain formed are highest in which stage of creep?

A. Primary
B. Secondary
C. Tertiary
D. Equal in all phase
Answer» B. Secondary
Discussion
3.

The slip band produced at higher temperature are _______ and ________ spaced than for a room temperature deformation.

A. fine, widely
B. fine, narrow
C. coarse, widely
D. coarse, narrow
Answer» D. coarse, narrow
Discussion
4.

In aluminium the creep occurs by slip on the _______ planes.

A. {110}
B. {100}, {111}
C. {200}
D. {311}
Answer» C. {200}
Discussion
5.

The large-grained aluminum is most suitable for creep related study.

A. True
B. False
Answer» B. False
Discussion
6.

The change in the slope of stress-rupture line is not due to _____________

A. metallurgical change
B. necking of the material
C. oxidation
D. recrystallization
Answer» C. oxidation
Discussion
7.

The creep test and the stress-rupture test are the same things representing the same type of curve at equal stresses.

A. True
B. False
Answer» C.
Discussion
8.

Typically the creep rate is measured in which unit?

A. Length/minutes
B. Load/length
C. Percentage change of length/hour
D. Percentage change of length/percentage change of time
Answer» D. Percentage change of length/percentage change of time
Discussion