Explore topic-wise MCQs in Powder Metallurgy.

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

1.

The microstructure of WC-TiC-Co alloy contains ____ phases.

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
Discussion
2.

The microstructure of WC-Co alloy contains ____ phases.

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
3.

The cutting performance of cemented carbide can be plotted as _________

A. T-V curve
B. C-P curve
C. I-V curve
D. M-V curve
Answer» B. C-P curve
Discussion
4.

Which of the following property of cemented carbide increases on increase in Co content?

A. Coefficient of thermal expansion
B. Hardness
C. Density
D. Thermal conductivity
Answer» B. Hardness
Discussion
5.

Lower thermal conductivity of cemented carbides leads to formation of _________

A. Brazing cracks
B. Comb-type cracks
C. Grinding cracks
D. Crumbling
Answer» D. Crumbling
Discussion
6.

The oxidation resistance of WC-Co composition is higher than that of the WC-TiC-Co composition.

A. True
B. False
Answer» C.
Discussion
7.

Transverse-Rupture strength of cemented carbide is a measure of _________

A. Hardness
B. Wear resistance
C. Toughness
D. Compressive strength
Answer» D. Compressive strength
Discussion
8.

_________ of cemented carbide tools is used as a measure of wear performance.

A. Hot hardness
B. Transverse rupture strength
C. Compressive strength
D. Hardness
Answer» E.
Discussion
9.

Cemented carbide grades can be classified into _____ groups, according to their density by using Hg as a buoyancy medium.

A. 2
B. 3
C. 4
D. 5
Answer» B. 3
Discussion
10.

______ of cemented carbide is the measure of the completeness of sintering operation.

A. Density
B. Volume
C. Strength
D. Ductility
Answer» B. Volume
Discussion