MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
WHEN_MOLECULAR_WEIGHT_OF_MERCURY_LIQUID_INCREASES,_ITS_THERMAL_CONDUCTIVITY?$ |
| A. | Decreases |
| B. | Increase |
| C. | Remains constant |
| D. | None of the mentioned |
| Answer» B. Increase | |
| 2. |
Thermal conductivity of diamond is more than that of glass. It is because$ |
| A. | Diamond has crystalline structure |
| B. | Glass has non crystalline structure |
| C. | Diamond and glass both have crystalline structure |
| D. | None of the mentioned |
| Answer» B. Glass has non crystalline structure | |
| 3. |
When temperature of mercury liquid increases, its thermal conductivit? |
| A. | Decreases |
| B. | Increase |
| C. | Remains constant |
| D. | None of the mentioned |
| Answer» B. Increase | |
| 4. |
Silicon oil applied between two contact surfaces will |
| A. | Increase contact resistance |
| B. | Decrease contact resistance |
| C. | Increase gap void |
| D. | None of the mentioned |
| Answer» C. Increase gap void | |
| 5. |
With the use of thermal grease contact resistance will |
| A. | Increase |
| B. | Decrease |
| C. | Remains constant |
| D. | None of the mentioned |
| Answer» E. | |
| 6. |
Which of the following is also known as transport property? |
| A. | Pressure |
| B. | Thermal conductivity |
| C. | Resistance |
| D. | None of the mentioned |
| Answer» C. Resistance | |
| 7. |
Thermal conductivity of silver in W/m-K is near about: |
| A. | 210 |
| B. | 310 |
| C. | 410 |
| D. | 510 |
| Answer» D. 510 | |
| 8. |
Rate of heat flow in conduction. |
| A. | Is directly proportional to temperature gradient |
| B. | Is inversely proportional to temperature gradient |
| C. | Does not depend on temperature gradient |
| D. | None of the mentioned |
| Answer» B. Is inversely proportional to temperature gradient | |