Explore topic-wise MCQs in Engineering Materials and Metallurgy.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials and Metallurgy knowledge and support exam preparation. Choose a topic below to get started.

1.

___________ is a eutectic mixture of iron and Fe3C.

A. Pearlite
B. Martensite
C. Ledeburite
D. Sorbite
Answer» D. Sorbite
Discussion
2.

___________ is a mixture of radial lamellae of ferrite and cementite.

A. Troostite
B. Ferrite
C. Martensite
D. Sorbite
Answer» B. Ferrite
Discussion
3.

Cementite is magnetic up to ________

A. 100<sup>o</sup>C
B. 250<sup>o</sup>C
C. 600<sup>o</sup>C
D. 850<sup>o</sup>C
Answer» C. 600<sup>o</sup>C
Discussion
4.

Which of the following is applicable to iron?

A. Soft
B. Ductile
C. Magnetic
D. Can be hot worked
Answer» E.
Discussion
5.

At what temperature range is iron stable?

A. Up to 908<sup>o</sup>C
B. 908-1388<sup>o</sup>C
C. 1388-1535<sup>o</sup>C
D. 1535-1800<sup>o</sup>C
Answer» D. 1535-1800<sup>o</sup>C
Discussion
6.

What is the crystal structure of iron?

A. Body-centered cubic
B. Face-centered cubic
C. Hexagonal closely packed
D. Body-centered tetrahedral
Answer» C. Hexagonal closely packed
Discussion