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.

The stress level at which plastic deformation begins is known as the proportional limit point.

A. True
B. False
Answer» C.
2.

Yield strength is the stress corresponding to point of intersection of stress-strain curve and strain offset line.

A. True
B. False
Answer» B. False
3.

Cold working increases ______ of the metal.

A. hardness
B. ductility
C. melting point
D. conductivity
Answer» B. ductility
4.

Which of the following metals has recrystallization temperature above 1000 C?

A. Cu- Zn alloy
B. Ni
C. Fe
D. W
Answer» E.
5.

Which of the following metals has recrystallization temperature below 0 C?

A. Pb
B. Zn
C. Al
D. Cu
Answer» B. Zn
6.

In hot working, plastic deformation operations are often carried out at temperatures above the ______ temperature.

A. melting
B. recrystallization
C. room
D. cold working
Answer» C. room
7.

For pure metals, the recrystallization temperature is normally _____

A. equal to T<sub>m</sub>
B. 0.5 T<sub>m</sub>
C. 0.8 T<sub>m</sub>
D. 0.3 T<sub>m</sub>
Answer» E.
8.

The recrystallization in pure metal is faster than in _____

A. non-metals
B. alloys
C. polymers
D. d-block metals
Answer» C. polymers
9.

The critical degree of cold work lies between _____ of cold work.

A. 2% and 20%
B. 5% and 10%
C. 7% and 15%
D. 20% and 30%
Answer» B. 5% and 10%
10.

The rate of recrystallization can be enhanced by ______

A. increasing the temperature
B. increasing the percentage of cold work
C. increasing the rate of cooling
D. applying pressure
Answer» C. increasing the rate of cooling