Structural of Metals & Alloys - 3 - GATE ME Free MCQ Test with solutions
MCQ Practice Test & Solutions: Test: Structural of Metals & Alloys - 3 (20 Questions)
You can prepare effectively for Mechanical Engineering Topicwise Question Bank for Mechanical Engineering with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Structural of Metals & Alloys - 3". These 20 questions have been designed by the experts with the latest curriculum of Mechanical Engineering 2026, to help you master the concept.
Test Highlights:
- - Format: Multiple Choice Questions (MCQ)
- - Duration: 60 minutes
- - Number of Questions: 20
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When atoms are displaced in two separate planes perpendicular to each other, the defect so produced is known as
Detailed Solution: Question 1
Atomic packing factor in case of Copper Crystal is
Detailed Solution: Question 2
The effective number of lattice points in the unit celi of simple cubic, body centered cubic and face centered cubic space lattices respectively are
Detailed Solution: Question 3
Which of the following elements is not a metalloid?
Detailed Solution: Question 4
Which of the following material is not a ferromagnetic material?
Which one of the following pairs of axis lengths (a, b, c) and inter axial angles (a, β, γ) represents the tetragonal crystal system?
Detailed Solution: Question 6
The defect which takes place due to imperfect packing of atoms during crystallization is known as
Detailed Solution: Question 7
What is the movement of block of atoms along certain crystallographic phase and directions termed as
Detailed Solution: Question 8
A screw dislocation
1. Lies parallel to its Burger’s vector
2. Lies perpendicular to its Burger’s vector
3. Moves in a perpendicular direction to the Burger’s vector
4. Moves in an inclined direction to the Burger’s vector
Q. Select the correct answer using the codes given below:
1. Lies parallel to its Burger’s vector
2. Lies perpendicular to its Burger’s vector
3. Moves in a perpendicular direction to the Burger’s vector
4. Moves in an inclined direction to the Burger’s vector
Q. Select the correct answer using the codes given below:
Detailed Solution: Question 9
The set of miller indices of the plane shown in the given figure is
Detailed Solution: Question 10
.Match List-I (Element) with List-ll (Crystal structure) and select the correct answer using the codes given below the lists:
List-I
A. Alpha Iron
B. Copper
C. Zinc
D. Glass
List-ll
1. Hexagonal closed packed
2. Body-centered cubic
3. Amorphous
4. Face-centered cubic
Codes:
A B C D
(a) 2 3 1 4
(b) 1 4 2 3
(c) 2 4 1 3
(d) 1 3 2 4
List-I
A. Alpha Iron
B. Copper
C. Zinc
D. Glass
List-ll
1. Hexagonal closed packed
2. Body-centered cubic
3. Amorphous
4. Face-centered cubic
Codes:
A B C D
(a) 2 3 1 4
(b) 1 4 2 3
(c) 2 4 1 3
(d) 1 3 2 4
What is the planer density of (100) plane in FCC (face-centred cubic) crystal with unit cell side a equa! to?
Detailed Solution: Question 12
A unit cell of a crystal is shown in given figure. The miller indices of the direction (arrow) shown in the figure is
Detailed Solution: Question 13
Match List-I (Miller indices) with List-ll (Denotes) and select the correct answer using the codes given below the lists:
List-I
A. (h, k l)
B. [h k l]
C. {h k l}
D. <h k l>
List-ll
1. direction
2. plane
3. family of direction
4. Family of planes
Codes:
A B C D
(a) 1 2 3 4
(b) 1 2 4 3
(c) 2 1 4 3
(d) 2 1 3 4
List-I
A. (h, k l)
B. [h k l]
C. {h k l}
D. <h k l>
List-ll
1. direction
2. plane
3. family of direction
4. Family of planes
Codes:
A B C D
(a) 1 2 3 4
(b) 1 2 4 3
(c) 2 1 4 3
(d) 2 1 3 4
Detailed Solution: Question 15
The linear density along the direction (110) will be equal to, if lattice constant of copper unit cell is 3.61 Å.
Detailed Solution: Question 16
Miller indices of a plane will be whose intercepts are a, b/2 and 3c on x, y and z axes respectively in a simple cubic unit cell?
Consider the following statements about screw dislocation
1. It forms when crystal displaces angulanly over the remaining parts
2. Burgers vector is parallel to screw dislocation line
3. Screw dislocations are symbolically represented by clockwise & anticiock-wise and reffered to negative & positive screw dislocation respectively
Q. Which of these statement are correct?
1. It forms when crystal displaces angulanly over the remaining parts
2. Burgers vector is parallel to screw dislocation line
3. Screw dislocations are symbolically represented by clockwise & anticiock-wise and reffered to negative & positive screw dislocation respectively
Q. Which of these statement are correct?
Ratio of elastic strain energy of an edge dislocation to the screw dislocation is
Which of the following best defines planar density in crystallography?
Detailed Solution: Question 20
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