MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials and Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
__________ is used as a catalyst in siliconizing. |
| A. | Hydrogen peroxide |
| B. | Chlorine gas |
| C. | Sulfuric acid |
| D. | Magnesium sulfate |
| Answer» C. Sulfuric acid | |
| 2. |
Siliconizing is otherwise known as _________ |
| A. | Chromizing |
| B. | Nitriding |
| C. | Ihrigizing |
| D. | Oxy-cyaniding |
| Answer» D. Oxy-cyaniding | |
| 3. |
Chromizing is carried out at a temperature of __________ |
| A. | 400-600 F |
| B. | 800-1200 F |
| C. | 1650-2000 F |
| D. | 2250-2750 F |
| Answer» D. 2250-2750 F | |
| 4. |
Which of the following is a use for flash anodic coatings? |
| A. | Cartridge cases |
| B. | Airplane propeller |
| C. | Paint adherence |
| D. | Hydraulic pistons |
| Answer» D. Hydraulic pistons | |
| 5. |
The alumilite process uses ________ as an electrolyte for anodizing. |
| A. | Sulfuric acid |
| B. | Hydrogen peroxide |
| C. | Nitric acid |
| D. | Ammonium sulfate |
| Answer» B. Hydrogen peroxide | |
| 6. |
What is the hardness of a rhodium plate? |
| A. | 140-425 Vickers |
| B. | 540-640 Vickers |
| C. | 720-880 Vickers |
| D. | 950-1050 Vickers |
| Answer» C. 720-880 Vickers | |
| 7. |
What are the applications of chromium plating? |
| A. | Plastics |
| B. | Wheel and rims |
| C. | IC engine parts |
| D. | Castings |
| Answer» D. Castings | |
| 8. |
________ plating is used for protection against wear in lead bearings. |
| A. | Gallium |
| B. | Arsenic |
| C. | Indium |
| D. | Helium |
| Answer» D. Helium | |
| 9. |
Which of the following is not a method of shear test? |
| A. | Double sheer system for round bar |
| B. | Double knife shear system for rectangular section |
| C. | Double shear system for conical surfaces |
| D. | Shearing of disc using punch and die |
| Answer» D. Shearing of disc using punch and die | |
| 10. |
The compressive test is done on which of the following materials? |
| A. | Cast iron |
| B. | Aluminum |
| C. | Gold |
| D. | Thermocole |
| Answer» B. Aluminum | |
| 11. |
How is the module of toughness of a material calculated? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-basic-questions-answers-q2a.png"><img alt="The module of toughness of a material calculated - option a" class="size-full wp-image-239281" height="45" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-basic-questions-answers-q2a.png" width="195"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-basic-questions-answers-q2b.png"><img alt="The module of toughness of a material calculated - option b" class="size-full wp-image-239282" height="41" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-basic-questions-answers-q2b.png" width="196"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-basic-questions-answers-q2c.png"><img alt="The module of toughness of a material calculated - option c" class="size-full wp-image-239283" height="44" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-basic-questions-answers-q2c.png" width="128"/></a> |
| D. | Ultimate tensile strength * elongation |
| Answer» E. | |
| 12. |
Tensile testing of metals is done using _________ |
| A. | Universal Testing Machine |
| B. | Durometer |
| C. | Tribometer |
| D. | Uniaxial Testing Machine |
| Answer» B. Durometer | |