MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Mass Transfer knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the value of emissivity for asphalt? |
| A. | 0.9 |
| B. | 0.80 |
| C. | 0.70 |
| D. | 0.60 |
| Answer» B. 0.80 | |
| 2. |
What is the value of emissivity for tarnished copper? |
| A. | 0.78 |
| B. | 0.77 |
| C. | 0.76 |
| D. | 0.75 |
| Answer» E. | |
| 3. |
WHAT_IS_THE_VALUE_OF_EMISSIVITY_FOR_ASPHALT??$ |
| A. | 0.90 |
| B. | 0.80 |
| C. | 0.70 |
| D. | 0.60 |
| Answer» B. 0.80 | |
| 4. |
Which_one_is_having_the_lowest_emissivity?$ |
| A. | Snow |
| B. | White marble |
| C. | Concrete |
| D. | Polished stainless steel |
| Answer» E. | |
| 5. |
What is the value of emissivity for white marble? |
| A. | 0.96 |
| B. | 0.95 |
| C. | 0.94 |
| D. | 0.93 |
| Answer» C. 0.94 | |
| 6. |
What is the value of emissivity for dull stainless steel? |
| A. | 0.24 |
| B. | 0.23 |
| C. | 0.22 |
| D. | 0.21 |
| Answer» E. | |
| 7. |
Which one is having the lowest emissivity? |
| A. | Polished stainless steel |
| B. | White marble |
| C. | Snow |
| D. | Asphalt |
| Answer» B. White marble | |
| 8. |
What is the value of emissivity for polished copper? |
| A. | 0.02 |
| B. | 0.03 |
| C. | 0.04 |
| D. | 0.05 |
| Answer» C. 0.04 | |
| 9. |
Which one is having highest emissivity? |
| A. | Tarnished copper |
| B. | Polished aluminum |
| C. | Aluminum foil |
| D. | Polished copper |
| Answer» B. Polished aluminum | |
| 10. |
What is the value of emissivity for polished aluminum? |
| A. | 0.01 |
| B. | 0.02 |
| C. | 0.03 |
| D. | 0.04 |
| Answer» D. 0.04 | |