Material Science And Metallurgy (3131904) MCQ

MCQs of Crystal Geometry and Crystal Imperfection

MCQ No - 1

Numbers of atom in F.F.C. space lattice is

(A)

2

(B)

4

(C)

6

(D)

8


B
MCQ No - 2

The bond formed by transferring electrons from one atom to another is called

(A)

ionic bond

(B)

covalent bond

(C)

metallic bond

(D)

none of these


A
MCQ No - 3

There are fourteen atoms in a unit cell of

(A)

BCC

(B)

FCC

(C)

HCP

(D)

none of these


B
MCQ No - 4

The ratio of the volume occupied by the atoms to the total volume of the unit cell is called

(A)

coordination number

(B)

atomic packing factor

(C)

space lattice

(D)

none of these


B
MCQ No - 5

According to Hume Rothery’s rules, size of atoms must not differ by more than ________

(A)

5%

(B)

15%

(C)

35%

(D)

55%


B