Material Science Questions Answers MCQ – Mechanical Engineering
Material science is a fascinating field that explores the properties, structure, and applications of various materials. As a fundamental discipline, it underpins numerous technological advancements and innovations across industries such as electronics, aerospace, medicine, and manufacturing. To test your knowledge and understanding of material science, here are some Multiple Choice Questions (MCQs) along with their answers that will help you delve into the world of materials.
1) An example of amorphous material is
a) brass
b) glass
c) silver
d) lead
2)Which of the following steel making process is being adopted at Rourkela (in India) Steel Plant?
(A) Bessemer process
(B) Open hearth process
(C) Electric process
(D) LD process
3) The co-ordination number of BCC crystal structure is
a) 8
b) 16
c) 12
d) 10
4)Eutectoid reaction occurs at
(A) 600°C
(B) 723°C
(C) 1147°C
(D) 1493°C
5) Which of the following material is not a ferromagnetic material ?
a) iron
b) Nickel
c) Zinc
d) Cobalt
6)Copper is used for making electrical conductors because it is
(a) ductile
(b) resists corrosion
(c) has low resistance
(d) cheap
7) The correct order of co-ordination number is SC,BCC,FCC and HCP unit cells is
a) 12,12,8,6
b) 6,8,12,12
c) 6,6,8,12
d) 12,8,6,12
8)Aluminium alloys find use in aircraft industry because of
(a) high strength
(b) low sp. gravity
(c) good corrosion resistance
(d) good weldability
9) The packing factor of diamond cubic crystal structure is
a) 90%
b) 45%
c) 34%
d) None of these
10)Crystal structure of a material is, generally, examined by
(A) Naked eye
(B) Optical microscope
(C) Metallurgical microscope
(D) X-ray techniques