Explore topic-wise MCQs in Mechanical Metallurgy.

This section includes 10 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.

To determine the creep rate, the curve is plotted between the _________

A. stress-strain
B. stress-time
C. strain-time
D. strain- temperature
Answer» D. strain- temperature
2.

The progressive deformation of the material at constant stress is called __________

A. fatigue
B. fracture
C. creep
D. rupture
Answer» D. rupture
3.

Which of the following material has the highest damping capacity?

A. Steel
B. Brass
C. Cast iron
D. Stainless steel
Answer» D. Stainless steel
4.

The damping capacity of the material depends on the frequency of the vibration. It is not a material property.

A. True
B. False
Answer» C.
5.

The internal friction studies are generally conducted at ______ stress and ______ strains.

A. low, small
B. high, small
C. low, large
D. high, large
Answer» B. high, small
6.

The internal energy dissipation at larger stresses and strains are generally called ____________

A. vibration
B. damping
C. stored energy
D. extra energy
Answer» C. stored energy
7.

The measure of the internal friction is the fractional decrease in ____________ per cycle.

A. stress amplitude
B. strain amplitude
C. vibrational energy
D. hysteresis loss
Answer» D. hysteresis loss
8.

With anelastic behavior of the material, the stress and strain are out of phase during cyclic loading and unloading.

A. True
B. False
Answer» B. False
9.

In the polymers, the energy dissipation and the anelastic behavior is caused by _________

A. elastic effect
B. grain boundary sliding
C. motion of dislocation
D. bond rotation
Answer» E.
10.

The thermo-elastic behavior is the only cause of anelastic effect and the elastic hysteresis loop on stress-strain curve.

A. True
B. False
Answer» C.