Material Science Test Questions Start Creating PDF

MCQ: What is meant by specific surface?

1. surface area per unit volume
2. surface area per unit weight
3. surface weight per unit area
4. none of the above

MCQ: Which type of microscope is used to determine particle diameter between (10 to 0.001 μ)?

1. Optical microscope
2. Electron microscope
3. Both a. and b.
4. None of the above

MCQ: What are the metal requirements to have creep resistance property?

1. Low melting point
2. High oxidation resistance
3. Both a. and b.
4. None of the above

MCQ: What does primary creep in creep curve indicate?

1. Due to down deformation, resistance of metal increases
2. Due to down deformation, resistance of metal decreases
3. It represents high strain rate
4. It represents creep at constant rate

MCQ: Which of the following statements is/are false? 1. Ball indenter in Rockwell hardness test is made of diamond 2. Brale indenter in Rockwell hardness test is made of diamond 3. Micro hardness test is used to measure hardness of thin brittle materials

1. Only 1
2. Only 2
3. Only 3
4. All the statements are false

MCQ: What is the effect of L/D ratio on compressive strength?

1. compressive strength increases and then remains constant as L/D ratio increases
2. compressive strength decreases and then increases as L/D ratio increases
3. compressive strength decreases and then remains constant as L/D ratio increases
4. none of the above

MCQ: Ceramics having nuclear applications can be used as

1. moderators
2. controls
3. Both a. and b.
4. None of the above

MCQ: Select the correct option which shows mechanical property of ceramic materials?

1. Non-crystalline ceramics become brittle below recrystallization temperature
2. At high temperatures ceramics have favorable properties
3. Ceramic products are resistant to oxidation
4. Ceramics can be used as a moderator

MCQ: Which process is used to remove internal stresses from a metal?

1. Annealing
2. Cold working
3. Both a. and b.
4. None of the above

MCQ: What is meant by low angle boundary?

1. Low angle boundary represents a boundary between crystalline region and its surroundings
2. Low angle boundary is a surface defect which has angular misorientation between the grains
3. Both a. and b.
4. None of the above