Explore topic-wise MCQs in Engineering Materials Metallurgy.

This section includes 25 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.

The axial relationship of a monoclinic crystal system is given as ___________

A. a = b = c
B. a = b ≠ c
C. a ≠ b = c
D. a ≠ b ≠ c
Answer» E.
Discussion
2.

A unit cell that contains lattice points only at the corners is known as _________

A. Primitive unit cell
B. Secondary unit cell
C. Layered unit cell
D. Derived unit cell
Answer» B. Secondary unit cell
Discussion
3.

Bravais lattice consists of __________ space lattices.

A. Eleven
B. Twelve
C. Thirteen
D. Fourteen
Answer» E.
Discussion
4.

The smallest portion of the lattice is known as __________

A. Lattice structure
B. Lattice point
C. Bravais crystal
D. Unit cell
Answer» E.
Discussion
5.

The crystal lattice has a _________ arrangement.

A. One-dimensional
B. Two-dimensional
C. Three-dimensional
D. Four-dimensional
Answer» D. Four-dimensional
Discussion
6.

At ________ iron changes its BCC structure to FCC.

A. 308oC
B. 568oC
C. 771oC
D. 906oC
Answer» E.
Discussion
7.

Which of the following has a HCP crystal structure?

A. W
B. Mo
C. Cr
D. Zr
Answer» E.
Discussion
8.

BRAVAIS_LATTICE_CONSISTS_OF____________SPACE_LATTICES.?$

A. Eleven
B. Twelve
C. Thirteen
D. Fourteen
Answer» E.
Discussion
9.

The axial relationship of a monoclinic crystal system is given as ___________$

A. a = b = c
B. a = b ≠ c
C. a ≠ b = c
D. a ≠ b ≠ c
Answer» E.
Discussion
10.

A unit cell that contains lattice points only at the corners is known as _________$

A. Primitive unit cell
B. Secondary unit cell
C. Layered unit cell
D. Derived unit cell
Answer» B. Secondary unit cell
Discussion
11.

What is the atomic packing factor of BCC structure?

A. 0.54
B. 0.68
C. 0.74
D. 0.96
Answer» C. 0.74
Discussion
12.

What is the coordination number of a simple cubic structure?

A. 6
B. 8
C. 10
D. 12
Answer» B. 8
Discussion
13.

What is the atomic radius of a BCC crystal structure?

A. a/2
B. a/4
C. a‚àö2/4
D. a‚àö3/4
Answer» E.
Discussion
14.

The interracial angles of a triclinic crystal system are given by __________

A. α = β = ϒ = 90o
B. α = β = 90o ϒ = 120o
C. α = β = ϒ ≠ 90o
D. α ≠ β ≠ ϒ ≠ 90o
Answer» E.
Discussion
15.

The interracial angles of a hexagonal crystal system are given by __________

A. α = β = ϒ = 90o
B. α = β = 90o ϒ = 120o
C. α = β = ϒ ≠ 90o
D. α ≠ β ≠ ϒ ≠ 90o
Answer» C. ‚âà√≠¬¨¬± = ‚âà√≠‚Äö√¢¬ß = ‚âà√¨‚àö‚↠‚Äö√Ñ√∂‚àö¬¢‚Äö√тĆ 90o
Discussion
16.

The axial relationship of a rhombohedral crystal system is given as ___________

A. a = b = c
B. a = b ≠ c
C. a ≠ b = c
D. a ≠ b ≠ c
Answer» B. a = b ‚Äö√Ñ√∂‚àö¬¢‚Äö√тĆ c
Discussion
17.

The smallest portion of the lattice is known as _________?

A. Lattice structure
B. Lattice point
C. Bravais crystal
D. Unit cell
Answer» E.
Discussion
18.

The crystal lattice has a _________ arrangement?

A. One-dimensional
B. Two-dimensional
C. Three-dimensional
D. Four-dimensional
Answer» D. Four-dimensional
Discussion
19.

Which of the following is not an amorphous material?

A. Glass
B. Plastics
C. Lead
D. Rubbers
Answer» D. Rubbers
Discussion
20.

Which of the following is a property of non-metallic crystals?

A. Highly ductile
B. Less brittle
C. Low electrical conductivity
D. FCC structure
Answer» D. FCC structure
Discussion
21.

At room temperature, tin is formed into _________

A. Gray tin
B. White tin
C. Red tin
D. Yellow tin
Answer» C. Red tin
Discussion
22.

At ________, iron changes its BCC structure to FCC.

A. 308<sup>o</sup>C
B. 568<sup>o</sup>C
C. 771<sup>o</sup>C
D. 906<sup>o</sup>C
Answer» E.
Discussion
23.

Amorphous solids have _______ structure.

A. Regular
B. Linear
C. Irregular
D. Dendritic
Answer» D. Dendritic
Discussion
24.

Which of the following has HCP crystal structure?

A. W
B. Mo
C. Cr
D. Zr
Answer» E.
Discussion
25.

Lead is a metallic crystal having a _______ structure.

A. FCC
B. BCC
C. HCP
D. TCP
Answer» B. BCC
Discussion