MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Magnetic Bubbles are used as __________ |
| A. | Storage device |
| B. | Strain gauge |
| C. | Thermostat |
| D. | Potentiometer |
| Answer» B. Strain gauge | |
| 2. |
With an increase in the area of hysteresis curve, power loss will ___________ |
| A. | Increases |
| B. | Decreases |
| C. | First decreases and then increases |
| D. | First increases and then decreases |
| Answer» B. Decreases | |
| 3. |
With an increase in temperature, magnetic susceptibility of an anti-ferromagnetic material ____________ |
| A. | Increases |
| B. | Decreases |
| C. | First decreases and then increases |
| D. | First increases and then decreases |
| Answer» E. | |
| 4. |
With an increase in temperature, magnetic susceptibility of a ferromagnetic material ____________ |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | First increases and then decreases |
| Answer» B. Decreases | |
| 5. |
What is the curie temperature of iron (in kelvin scale)? |
| A. | 2195 K |
| B. | 495 K |
| C. | 895 K |
| D. | 1095 K |
| E. | ?a) 2195 Kb) 495 Kc) 895 Kd) 1095 K |
| Answer» E. ?a) 2195 Kb) 495 Kc) 895 Kd) 1095 K | |
| 6. |
For a paramagnetic material, which of the following statement is correct (μr = relative permeability)? |
| A. | μr = 0 |
| B. | μr < 1 |
| C. | μr > 1 |
| D. | μr < 0 |
| Answer» D. μr < 0 | |
| 7. |
For a paramagnetic material, which of the following statement is correct? |
| A. | Magnetic susceptibility < 0 |
| B. | Magnetic susceptibility > 0 |
| C. | Magnetic susceptibility = 0 |
| D. | Magnetic susceptibility = -1 |
| Answer» C. Magnetic susceptibility = 0 | |
| 8. |
For a diamagnetic material, which of the following statement is correct (μr = relative permeability)? |
| A. | μr > 2 |
| B. | μr < 1 |
| C. | μr > 1 |
| D. | μr = 1 |
| Answer» C. μr > 1 | |
| 9. |
For a diamagnetic material, which of the following statement is correct? |
| A. | Magnetic susceptibility < 0 |
| B. | Magnetic susceptibility > 0 |
| C. | Magnetic susceptibility = 0 |
| D. | Magnetic susceptibility = 1 |
| Answer» B. Magnetic susceptibility > 0 | |
| 10. |
Which of the following parameter is used to assess the magnetic ability of a material? |
| A. | Magnetic flux density |
| B. | Magnetization |
| C. | Magnetic dipole moment |
| D. | Susceptibility |
| Answer» E. | |
| 11. |
WITH_AN_INCREASE_IN_THE_AREA_OF_HYSTERESIS_CURVE,_POWER_LOSS_WILL?$ |
| A. | Increases |
| B. | Decreases |
| C. | First decreases then increases |
| D. | First increases then decreases |
| Answer» B. Decreases | |
| 12. |
Magnetic Bubbles are used as :$ |
| A. | Storage device |
| B. | Strain gauge |
| C. | Thermostat |
| D. | None of the mentioned |
| Answer» B. Strain gauge | |
| 13. |
With an increase in temperature magnetic susceptibility of ferromagnetic material. |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | None of the mentioned |
| Answer» B. Decreases | |
| 14. |
Paramagnetic Curie temperature in Kelvin for iron is equal to : |
| A. | 2195 |
| B. | 495 |
| C. | 895 |
| D. | 1095 |
| Answer» E. | |
| 15. |
If relative permeability is denoted by μr, which of the following is correct about diamagnetic material?$ |
| A. | Relative permeability = 0 |
| B. | Relative permeability < 1 |
| C. | Relative permeability > 1 |
| D. | None of the mentioned |
| Answer» C. Relative permeability > 1 | |
| 16. |
For diamagnetic material, which of the following is correct? |
| A. | Magnetic susceptibility < 0 |
| B. | Magnetic susceptibility > 0 |
| C. | Magnetic susceptibility = 0 |
| D. | None of the mentioned |
| Answer» B. Magnetic susceptibility > 0 | |
| 17. |
Which of the following parameter is used to assess the magnetic ability of the material? |
| A. | Magnetic flux density |
| B. | Magnetization |
| C. | Magnetic dipole moment |
| D. | Susceptibility |
| Answer» E. | |