MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which property helps a material to absorb lubricants? |
| A. | Density |
| B. | Porosity |
| C. | Soldering |
| D. | Absorptivity |
| Answer» C. Soldering | |
| 2. |
Which of the following is an application of Tin solder 35? |
| A. | Tinning and filling of seams |
| B. | Plumbing |
| C. | Secondary soldering |
| D. | For materials which are difficult to solder |
| Answer» C. Secondary soldering | |
| 3. |
WHICH_OF_THE_FOLLOWING_IS_AN_APPLICATION_OF_TIN_SOLDER_35??$ |
| A. | Tinning and filling of seams |
| B. | Plumbing |
| C. | Secondary soldering |
| D. | For materials which are difficult to solder |
| Answer» C. Secondary soldering | |
| 4. |
Which_property_helps_a_material_to_absorb_lubricants?$ |
| A. | Density |
| B. | Porosity |
| C. | Soldering |
| D. | Absorptivity |
| Answer» C. Soldering | |
| 5. |
What is the machinability index of soft cast iron? |
| A. | 100 |
| B. | 30 |
| C. | 80 |
| D. | 70 |
| Answer» D. 70 | |
| 6. |
The ability of a metal which helps it to form a smooth cast is known as ______ |
| A. | Machinability |
| B. | Formability |
| C. | Solderability |
| D. | Castability |
| Answer» E. | |
| 7. |
The ability of a substance to neutralize the acidic nature of the material is known as ______ |
| A. | Corrosion resistance |
| B. | Chemical composition |
| C. | Alkalinity |
| D. | Chemical equilibrium |
| Answer» D. Chemical equilibrium | |
| 8. |
What is the emissivity of aluminum foil? |
| A. | 0.03 |
| B. | 0.9 |
| C. | 0.02 |
| D. | 0.04 |
| Answer» B. 0.9 | |
| 9. |
The quantity or effectiveness of the energy emitted known as ____________ |
| A. | Refraction |
| B. | Reflectivity |
| C. | Emissivity |
| D. | Luminance |
| Answer» D. Luminance | |
| 10. |
What is the magnetic permeability of Iron? |
| A. | 2.5 * 10<sup>-1</sup> |
| B. | 2 * 10<sup>5</sup> |
| C. | 1.26 * 10<sup>-4</sup> |
| D. | 100 |
| Answer» B. 2 * 10<sup>5</sup> | |
| 11. |
The property of a material that produces an opposing magnetizing force, which removes the preceding magnetizing effect, is called as ___________ |
| A. | Permeability |
| B. | Coercive force |
| C. | Hysteresis |
| D. | Superconductivity |
| Answer» C. Hysteresis | |