Explore topic-wise MCQs in Engineering Materials Metallurgy.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials Metallurgy knowledge and support exam preparation. Choose a topic below to get started.

1.

Mullite is an example of ______ refractory.

A. Acid
B. Basic
C. Neutral
D. Special
Answer» E.
Discussion
2.

Silica refractories are also known as ______ refractories.

A. Acid
B. Basic
C. Neutral
D. Magnesia
Answer» B. Basic
Discussion
3.

MULLITE_IS_AN_EXAMPLE_OF________REFRACTORY.?$

A. Acid
B. Basic
C. Neutral
D. Special
Answer» E.
Discussion
4.

How much of alumina in weight percent is added to silica refractories?

A. 0.2 – 1.0
B. 1.1 – 1.5
C. 1.6 – 1.8
D. > 2.0
Answer» B. 1.1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 1.5
Discussion
5.

What is the fusion temperature of Magnesia?

A. 1700<sup>o</sup>C
B. 2180<sup>o</sup>C
C. 2800<sup>o</sup>C
D. 3500<sup>o</sup>C
Answer» D. 3500<sup>o</sup>C
Discussion
6.

Which of the following is an example of a neutral refractory?

A. Dolomite
B. Magnesia
C. Silica
D. Chromite
Answer» E.
Discussion
7.

What is the fusion temperature of aluminum silica?

A. 1780<sup>o</sup>C
B. 1900<sup>o</sup>C
C. 2050<sup>o</sup>C
D. 2800<sup>o</sup>C
Answer» B. 1900<sup>o</sup>C
Discussion
8.

Silica refractories are also known as ______ refractories

A. Acid
B. Basic
C. Neutral
D. Magnesia
Answer» B. Basic
Discussion
9.

What kind of refractory can bauxite be grouped as?

A. Acid refractory
B. Basic refractory
C. Neutral refractory
D. Silica refractory
Answer» C. Neutral refractory
Discussion
10.

Firebrick is an important raw material of refractory metals, which is made from ______

A. Brick
B. Concrete
C. Fireclay
D. Wood
Answer» D. Wood
Discussion
11.

Which of the following properties is not associated with refractory metals?

A. High fusion temperature
B. High heat resistance
C. Good Corrosion resistance
D. High thermal coefficient of expansion
Answer» E.
Discussion