MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Aluminum heat sink is also called ___________ |
| A. | Folded-Fin heat sink |
| B. | Bonded-Fin heat sink |
| C. | Sleeve bearing type heat sink |
| D. | Extrusion heat sink |
| Answer» E. | |
| 2. |
Active heat sinks are less durable than passive heat sink because of the presents of __________ |
| A. | Complex electrical network |
| B. | Non-metal components |
| C. | Metal components |
| D. | Moving components |
| Answer» D. Moving components | |
| 3. |
Which of the following heat sink is more durable? |
| A. | Stamped heat sink |
| B. | Ball bearing type heat sink |
| C. | Sleeve bearing type heat sink |
| D. | Aluminum heat sink |
| Answer» E. | |
| 4. |
Difference between the active heat sink and passive heat sink is that passive heat sink? |
| A. | Possess mechanical components |
| B. | Possess electrical components |
| C. | Do not possess mechanical components |
| D. | Do not possess metal components |
| Answer» D. Do not possess metal components | |
| 5. |
Passive heat sinks are made of ________________ |
| A. | Copper |
| B. | Aluminum |
| C. | Iron |
| D. | Zinc |
| Answer» C. Iron | |
| 6. |
Active heat sinks are also called as ___________ |
| A. | fans |
| B. | on sinks |
| C. | high sinks |
| D. | normal sinks |
| Answer» B. on sinks | |
| 7. |
If water is used as a cooling medium then it is termed as _______________ |
| A. | liquid plate |
| B. | aqua plate |
| C. | hot plate |
| D. | cold plate |
| Answer» E. | |
| 8. |
Comparing high heat objects with cooling objects which one will have slow-moving molecules? |
| A. | High heat objects |
| B. | Cooling objects |
| C. | Both of them have equal molecular movement |
| D. | Cannot be predicted |
| Answer» C. Both of them have equal molecular movement | |
| 9. |
What is the major principle behind heat sink action? |
| A. | Avogadro’s law |
| B. | Fourier’s law |
| C. | Archimedes principal |
| D. | Faraday’s law |
| Answer» C. Archimedes principal | |
| 10. |
What is the purpose of heat sink in transistor circuit? |
| A. | Provide sufficient heat for transistor |
| B. | Absorb excess heat from transistor |
| C. | Keep transistor at desired temperature range |
| D. | All of the mentioned |
| Answer» E. | |