MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Food Processing Unit Operations knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
____________ gives the relationship between wavelength and temperature. |
| A. | Fourier s law |
| B. | Wein s law |
| C. | Newton law |
| D. | Plank s law |
| Answer» C. Newton law | |
| 2. |
According to ___________, the wavelength of the emitted radiation is inversely proportional to its frequency. |
| A. | Fourier s law |
| B. | Pascal law |
| C. | Newton law |
| D. | Plank s law |
| Answer» E. | |
| 3. |
What are factors of thermal radiation? |
| A. | Time |
| B. | Temperature |
| C. | Volume |
| D. | Pressure |
| Answer» C. Volume | |
| 4. |
Can a good insulator prevent radiation? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
What is the wavelength of thermal radiation? |
| A. | 0.1 m to 1000 m. |
| B. | 1 m to 100 m. |
| C. | 0.01 m to 100 m. |
| D. | 0.1 m to 100 m. |
| Answer» E. | |
| 6. |
In thermal radiation, thermal energy is converted to ___________________ |
| A. | kinetic energy |
| B. | potential energy |
| C. | electromagnetic energy |
| D. | thermal energy |
| Answer» D. thermal energy | |
| 7. |
The emissivity of radiation is between__________ |
| A. | 0 and 1 |
| B. | 0 and 10 |
| C. | 0 and 15 |
| D. | 0 and 11 |
| Answer» B. 0 and 10 | |
| 8. |
Are these statements about the thermal radiation true?
|
| A. | nStatement 2: It also depends on Wien s Displacement Law. |
| B. | True, False |
| C. | True, True |
| D. | False, True |
| E. | False, False |
| Answer» C. True, True | |
| 9. |
Which law governs the thermal radiation? |
| A. | Fourier s law |
| B. | Pascal law |
| C. | Newton law |
| D. | Stefan-Boltzmann Law |
| Answer» E. | |
| 10. |
Which is the fastest mode of heat transfer? |
| A. | Conduction |
| B. | Convection |
| C. | Radiation |
| D. | Both conduction and convection |
| Answer» D. Both conduction and convection | |