Material Science And Metallurgy (3131904) MCQs

MCQs of Crystal Geometry and Crystal Imperfection

Showing 41 to 50 out of 60 Questions
2 3 4 5 6
41.

What is the atomic radius of a FCC crystal structure?

(a)

a/4
(b)

a2/4
(c)

a3/4
Answer:

Option (a)

42.

What is the atomic radius of a BCC crystal structure?

(a)

a/2
(b)

a/4
(c)

a2/4
(d)

a3/4
Answer:

Option (d)

43.

What is the atomic packing factor of simple cubic structure?

(a)

0.52
(b)

0.68
(c)

0.74
(d)

0.96
Answer:

Option (a)

44.

What is the atomic packing factor of FCC structure?

(a)

0.52
(b)

0.68
(c)

0.74
(d)

0.96
Answer:

Option (c)

45.

What is the atomic packing factor of BCC structure?

(a)

0.54
(b)

0.68
(c)

0.74
(d)

0.96
Answer:

Option (c)

46.

For pane (1 1 1) of FCC having a lattice parameter ‘a’, planar atomic density is given by?

(a)

2.31/a2
(b)

2.31/a3
(c)

1.31/a2
(d)

1.31/a3
Answer:

Option (a)

47.

For pane (1 1 1) of BCC having a lattice parameter ‘a’, planar atomic density is given by?

(a)

1.07/a2
(b)

0.58/a2
(c)

2.07/a2
(d)

0.78/a2
Answer:

Option (b)

48.

For pane (1 0 0) of BCC having a lattice parameter ‘a’, planar atomic density is given by?

(a)

1/a3
(b)

2/a2
(c)

3/a4
(d)

1/a2
Answer:

Option (d)

49.

For pane (1 1 0) of BCC having a lattice parameter ‘a’, planar atomic density is given by?

(a)

3.690/a2
(b)

2.312/a2
(c)

1.414/a2
(d)

0.580/a2
Answer:

Option (c)

50.

For pane (1 1 0) of SC having a lattice parameter ‘a’, planar atomic density is given by?

(a)

0.508/a2
(b)

0.707/a2
(c)

0.707/a3
(d)

0.508/a3
Answer:

Option (b)

Showing 41 to 50 out of 60 Questions
2 3 4 5 6