1232 + Mcqs in Material Science McqOptions

1.	Silver has crystal structure
A.	simple cubic
B.	body centred
C.	face centred
D.	hexagonal close packed
Answer» D. hexagonal close packed

Discussion

2.	Tungsten has crystal structure
A.	simple cubic
B.	body centred
C.	face centred
D.	hexagonal close packed
Answer» C. face centred

Discussion

3.	Î± - Fe has crystal structure
A.	simple cubic
B.	body centred
C.	face centred
D.	hexagonal close packed
Answer» C. face centred

Discussion

4.	Molybdenum has crystal structure
A.	simple cubic
B.	body centred
C.	face centred
D.	hexagonal close packed
Answer» C. face centred

Discussion

5.	Copper has crystal structure
A.	simple cubic
B.	body centred
C.	face centred
D.	hexagonal close packed
Answer» D. hexagonal close packed

Discussion

6.	Zinc has crystal structure
A.	simple cubic
B.	body centred
C.	face centred
D.	hexagonal close packed
Answer» E.

Discussion

7.	Magnesium has crystal structure
A.	simple cubic
B.	body centred
C.	face centred
D.	hexagonal close packed
Answer» E.

Discussion

8.	Aluminum has crystal structure
A.	simple cubic
B.	body centred
C.	face centred
D.	hexagonal close packed
Answer» D. hexagonal close packed

Discussion

9.	Chromium has crystal structure
A.	simple cubic
B.	body centred
C.	face centred
D.	hexagonal close packed
Answer» C. face centred

Discussion

10.	the examples of hexagonal close packed crystal structure are
A.	cr, mo. fe, ta, w
B.	al, cu, ag, au, ni
C.	mg, cd, zn, co, be
D.	none of the above
Answer» B. al, cu, ag, au, ni

Discussion

11.	the examples of face centred cubic structure are
A.	cr, mo. fe, ta, w
B.	al, cu, ag, au, ni
C.	mg, cd, zn, co, be
D.	none of the above
Answer» D. none of the above

Discussion

12.	the examples of body centred cubic structure are
A.	cr, mo. fe, ta, w
B.	al, cu, ag, au, ni
C.	mg, cd, zn, co, be
D.	none of the above
Answer» B. al, cu, ag, au, ni

Discussion

13.	the examples of simple cubic crystal structure are
A.	cr, mo. fe, ta, w
B.	al, cu, ag, au, ni
C.	mg, cd, zn, co, be
D.	none of the above
Answer» E.

Discussion

14.	the average packing factor for hexagonal close packed crystal structure is given as
A.	0.52
B.	0.68
C.	0.74
D.	0.85
Answer» D. 0.85

Discussion

15.	in a crystal structure, the average number of atoms per unit cell is 6
A.	simple cubic
B.	body centred
C.	face centred
D.	hexagonal close packed
Answer» E.

Discussion

16.	the coordination number for a hexagonal close packed crystal structure is given as
A.	6
B.	8
C.	12
D.	14
Answer» D. 14

Discussion

17.	in a hexagonal close packed crystal structure, there is number of center atoms
A.	1
B.	4
C.	8
D.	3
Answer» E.

Discussion

18.	in a hexagonal close packed crystal structure, the average number of atoms per unit cell is
A.	1
B.	2
C.	4
D.	6
Answer» E.

Discussion

19.	in a hexagonal close packed crystal structure, there is number of corner atoms
A.	1
B.	4
C.	8
D.	12
Answer» E.

Discussion

20.	the coordination number for a face centred crystal structure is given by
A.	6
B.	8
C.	12
D.	14
Answer» D. 14

Discussion

21.	in a hexagonal close packed crystal structure, there is number of
A.	2
B.	4
C.	8
D.	6
Answer» B. 4

Discussion

22.	the average packing factor for face centred crystal structure is given as
A.	0.52
B.	0.68
C.	0.74
D.	0.85
Answer» D. 0.85

Discussion

23.	in a face centred crystal structure, the relationship between lattice constant and radius of atom is given by
A.	r=âˆš3a/4
B.	a=âˆš3r/4
C.	a=r/2âˆš2
D.	r=a/2âˆš2
Answer» E.

Discussion

24.	in a crystal structure, the average number of atoms per unit cell is 4
A.	simple cubic
B.	body centred
C.	face centred
D.	hexagonal close packed
Answer» D. hexagonal close packed

Discussion

25.	in a face centred crystal structure there is Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â number of corner atoms
A.	1
B.	4
C.	8
Answer» D.

Discussion

26.	in a face centred crystal structure, the average number of atoms per unit cell is
A.	1
B.	2
C.	4
D.	6
Answer» D. 6

Discussion

27.	in a face centred crystal structure there is Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â number of face atoms
A.	0
B.	4
C.	8
D.	6
Answer» E.

Discussion

28.	the coordination number for simple body structure is given as
A.	6
B.	8
C.	12
D.	14
Answer» C. 12

Discussion

29.	the average packing factor for body centred crystal structure is given as
A.	0.52
B.	0.68
C.	0.74
D.	0.85
Answer» C. 0.74

Discussion

30.	in body centred crystal structure, the relationship between lattice constant and radius of atom is given by
A.	a=r/2
B.	r=a/2
C.	r=âˆš3a/4
D.	a=âˆš3r/4
Answer» D. a=âˆš3r/4

Discussion

31.	in a crystal structure, the average number of atoms per unit cell is 2
A.	simple cubic
B.	body centred
C.	face centred
D.	hexagonal closed pack
Answer» C. face centred

Discussion

32.	in body centred crystal structure, the average number of atoms per unit cell is
A.	1
B.	2
C.	4
D.	6
Answer» C. 4

Discussion

33.	in body centred crystal structure, there is Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â number of center atoms
A.	1
B.	4
C.	8
Answer» B. 4

Discussion

34.	in body centred crystal structure, there is Â Â Â Â Â Â Â Â Â Â Â Â Â Â number of corner atoms
A.	1
B.	4
C.	8
Answer» D.

Discussion

35.	in simple cubic crystal structure, the relationsheep between lattice constant and radius of atom is given by
A.	a=r/2
B.	r=a/2
C.	r=âˆš3a/4
D.	r=âˆš3r/4
Answer» C. r=âˆš3a/4

Discussion

36.	the average packing factor for simple cubic crystal is given as
A.	0.52
B.	0.68
C.	0.74
D.	0.85
Answer» B. 0.68

Discussion

37.	the coordination number for simple cubic structure is given as
A.	6
B.	8
C.	12
D.	14
Answer» B. 8

Discussion

38.	in simple cubic crystal structure, the average number of atoms per unit cell is
A.	1
B.	2
C.	4
D.	6
Answer» B. 2

Discussion

39.	in simpleÂ cubicÂ crystal structure there are number of face atom
A.	1
B.	4
C.	8
D.	none of the above
Answer» E.

Discussion

40.	in a cubic crystal structure, the average number of atoms per unit cell is 1
A.	simple cubic
B.	body centred
C.	face centred
D.	hexagonal close packed
Answer» B. body centred

Discussion

41.	in simpleÂ cubicÂ crystal structure there are number of corner atoms
A.	1
B.	4
C.	8
Answer» D.

Discussion

42.	APN is defined as
A.	ratio of volume occupied by atoms in unit cell to volume of unit cell
B.	ratio of volume of unit cell to volume occupied by atoms in unit cell
C.	ratio of volume of unit cell to volume of crystal structure
D.	none of the above
Answer» B. ratio of volume of unit cell to volume occupied by atoms in unit cell

Discussion

43.	is defined as fraction of volume occupied by atoms in unit cell
A.	ligancy number
B.	average number of atoms per unit cell
C.	atomic packing factor
D.	none of the above
Answer» D. none of the above

Discussion

44.	a higher value of APN number indicates
A.	bigger size of materials
B.	higher density of materials
C.	higher value of averagge niumber of atoms per unit cell
D.	both b and c
Answer» E.

Discussion

45.	a higher value of coordination number indicates
A.	bigger size of materials
B.	higher density of materials
C.	lower density of materials
D.	none of the above
Answer» C. lower density of materials

Discussion

46.	Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â is defined as number of atoms adjacent to and touching a central atoms under consideration
A.	co- ordination number
B.	average number of atoms per unit cell
C.	atomic packing factor
D.	none of the above
Answer» B. average number of atoms per unit cell

Discussion

47.	co-ordination number is also referred to as
A.	ligancy number
B.	average number of atoms per unit cell
C.	atomic packing factor
D.	none of the above
Answer» B. average number of atoms per unit cell

Discussion

48.	A higher value of average number of atoms per unit cell indicates
A.	bigger size of materials
B.	higher density of materials
C.	lower density of materials
D.	none of the above
Answer» C. lower density of materials

Discussion

49.	in cubic crystal structure, the Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â located atom is shared by 8 adjacent unit cells
A.	center
B.	face
C.	corner
D.	none of the above
Answer» D. none of the above

Discussion

50.	in face centered cubic crystal structure the face atom is shared by adjacent unit cells
A.	1
B.	2
C.	4
D.	8
Answer» C. 4

Discussion

Explore topic-wise MCQs in Testing Subject.

Silver has crystal structure

Tungsten has crystal structure

Î± - Fe has crystal structure

Molybdenum has crystal structure

Copper has crystal structure

Zinc has crystal structure

Magnesium has crystal structure

Aluminum has crystal structure

Chromium has crystal structure

the examples of hexagonal close packed crystal structure are

the examples of face centred cubic structure are

the examples of body centred cubic structure are

the examples of simple cubic crystal structure are

the average packing factor for hexagonal close packed crystal structure is given as

in a crystal structure, the average number of atoms per unit cell is 6

the coordination number for a hexagonal close packed crystal structure is given as

in a hexagonal close packed crystal structure, there is number of center atoms

in a hexagonal close packed crystal structure, the average number of atoms per unit cell is

in a hexagonal close packed crystal structure, there is number of corner atoms

the coordination number for a face centred crystal structure is given by

in a hexagonal close packed crystal structure, there is number of

the average packing factor for face centred crystal structure is given as

in a face centred crystal structure, the relationship between lattice constant and radius of atom is given by

in a crystal structure, the average number of atoms per unit cell is 4

in a face centred crystal structure there is Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â number of corner atoms

in a face centred crystal structure, the average number of atoms per unit cell is

in a face centred crystal structure there is Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â number of face atoms

the coordination number for simple body structure is given as

the average packing factor for body centred crystal structure is given as

in body centred crystal structure, the relationship between lattice constant and radius of atom is given by

in a crystal structure, the average number of atoms per unit cell is 2

in body centred crystal structure, the average number of atoms per unit cell is

in body centred crystal structure, there is Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â number of center atoms

in body centred crystal structure, there is Â Â Â Â Â Â Â Â Â Â Â Â Â Â number of corner atoms

in simple cubic crystal structure, the relationsheep between lattice constant and radius of atom is given by

the average packing factor for simple cubic crystal is given as

the coordination number for simple cubic structure is given as

in simple cubic crystal structure, the average number of atoms per unit cell is

in simpleÂ cubicÂ crystal structure there are number of face atom

in a cubic crystal structure, the average number of atoms per unit cell is 1

in simpleÂ cubicÂ crystal structure there are number of corner atoms

APN is defined as

is defined as fraction of volume occupied by atoms in unit cell

a higher value of APN number indicates

a higher value of coordination number indicates

Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â is defined as number of atoms adjacent to and touching a central atoms under consideration

co-ordination number is also referred to as

A higher value of average number of atoms per unit cell indicates

in cubic crystal structure, the Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â located atom is shared by 8 adjacent unit cells

in face centered cubic crystal structure the face atom is shared by adjacent unit cells