Engineering Materials and Metallurgy Mock Test 8

10%

Question 1 of 10

1. What kind of solid solution is found in a Cu-Ni crystal?

Supersaturated solution

Substitutional solid solution

Unsaturated solution

Interstitial solid solution

Question 1 of 10

Question 2 of 10

2. Cementite is magnetic up to ________

250^oC

850^oC

600^oC

100^oC

Question 2 of 10

Question 3 of 10

3. Which bond does this representation illustrate?

Ionic

Covalent

Metallic

Intermolecular

Question 3 of 10

Question 4 of 10

4. Peritectic reactions are applicable for carbon contents up to _________

0.26%

0.55%

0.96%

0.1%

Question 4 of 10

Question 5 of 10

5. For full annealing of hypoeutectoid steels, they are heated in a range above __________

551-770^oC

153-250^oC

723-910^oC

273-350^oC

Question 5 of 10

Question 6 of 10

6. Which among the following is not a type of intermolecular bond?

Nitrogen

Dipole

Dispersion

Hydrogen

Question 6 of 10

Question 7 of 10

7. Covalent bond is also known as ___________ bond.

Electrovalent

Homopolar

Electrolytic

Heteropolar

Question 7 of 10

Question 8 of 10

8. Au-Cn is an example of _________ solid solution.

Interstitial solid solution

Supersaturated solution

Random substitutional solid solution

Ordered substitutional solid solution

Question 8 of 10

Question 9 of 10

9. Transformation in eutectoid steels is named as _________

Carburizing

Decarburizing

Nitriding

Austenitizing

Question 9 of 10

Question 10 of 10

10. A solution of exchange of impurities for solvent atoms is called a _________

Interstitial solid solution

Unsaturated solution

Substitutional solid solution

Saturated solution

Question 10 of 10