Explore topic-wise MCQs in Manufacturing Processes.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.

1.

Recrystallization during an isothermal anneal begins very slowly.

A. True
B. False
Answer» B. False
Discussion
2.

In deformed polycrystalline metals, high-temperature recovery is considered to be essentially a matter of polygonization.

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

The rate at which a recovery process occurs always decreases with _____

A. temperature
B. time
C. yield strength
D. ductility
Answer» C. yield strength
Discussion
4.

As the polygon walls become more widely separated, the rate of ______becomes a decreasing function of time and temperature.

A. polygonization
B. decay
C. coalescence
D. grain growth
Answer» D. grain growth
Discussion
5.

The rate of polygonization increases rapidly with _____

A. density
B. temperature
C. humidity
D. grain size
Answer» C. humidity
Discussion
6.

An edge dislocation is capable of moving by a climb in a direction _____ to the slip plane.

A. 30
B. 45
C. 90
D. 180
Answer» D. 180
Discussion
7.

The regrouping of edge dislocations into low-angle boundaries helps in _____

A. lowering the strain energy
B. increasing the stored energy
C. lowering the recrystallization temperature
D. increasing the strength of the metal
Answer» B. increasing the stored energy
Discussion
8.

Polygonization is a process of _____

A. annealing a bent crystal
B. annealing a pure metal
C. heating the metal above recrystallization temperature
D. quenching
Answer» B. annealing a pure metal
Discussion
9.

Polygonization is associated with_____

A. grain size
B. plastically bent crystals
C. conductivity
D. strength of the material
Answer» C. conductivity
Discussion
10.

The yield point can be completely recovered in a zinc crystal at _____

A. room temperature
B. 32 C
C. 50 C
D. 88 C
Answer» B. 32 C
Discussion