MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Solar Energy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Solar cookers do have operating costs. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following best describes the working of a solar cooker? |
| A. | Concentrating sunlight → trapping heat → cooking |
| B. | Concentrating sunlight → converting light to heat energy → trapping heat →cooking |
| C. | Concentrating sunlight → cooking → trapping heat |
| D. | Trapping heat → converting heat to light energy → radiating light → cooking |
| Answer» C. Concentrating sunlight → cooking → trapping heat | |
| 3. |
Evacuated tube solar cookers use ________ glass tube for the cooking chamber. |
| A. | highly insulated |
| B. | thermal conducting |
| C. | parabolic |
| D. | cone shaped |
| Answer» B. thermal conducting | |
| 4. |
Covering the pot with a glass lid ________ convection. |
| A. | increases |
| B. | does not affect |
| C. | changes the direction of |
| D. | reduces |
| Answer» E. | |
| 5. |
Convection should be reduced by isolating air inside the cooker from air outside the cooker. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Which of the following pot surfaces are preferred for solar cookers? |
| A. | White coloured |
| B. | Black coloured |
| C. | Red coloured |
| D. | Silver coloured |
| Answer» C. Red coloured | |
| 7. |
Which of the following are used to manufacture parabolic dish concentrator? |
| A. | Anodized aluminum |
| B. | Wood |
| C. | Bakelite |
| D. | Iron |
| Answer» B. Wood | |
| 8. |
Which of the following materials are used to make the cooking pan in a solar cooker? |
| A. | Wood |
| B. | Plastic |
| C. | Rubber |
| D. | Iron |
| Answer» E. | |
| 9. |
The cooking pan used in solar cookers convert ______ energy to ______ energy. |
| A. | electrical, heat |
| B. | heat, light |
| C. | light, heat |
| D. | electrical, light |
| Answer» D. electrical, light | |
| 10. |
What is the maximum temperature used in cooking? Note that C indicates Celsius |
| A. | 100 degree C for boiling water and related dishes |
| B. | 400 degree C for grilling and searing |
| C. | 800 degree C for melting metals |
| D. | 30 degree C for melting food items like butter |
| Answer» C. 800 degree C for melting metals | |
| 11. |
What is the typical temperature (range) used in domestic cooking? Note that C indicates Celsius. |
| A. | 50 – 70 degree C |
| B. | 1000 degree C |
| C. | 3500 degree C |
| D. | 300 – 500 degree C |
| E. | used in domestic cooking? Note that C indicates Celsius.a) 50 – 70 degree Cb) 1000 degree Cc) 3500 degree Cd) 300 – 500 degree C |
| Answer» B. 1000 degree C | |
| 12. |
Which of the following majorly affects the phenomenon of concentrating sunlight? |
| A. | Non-reflecting surface |
| B. | Black surface |
| C. | Type of food |
| D. | Geometry of the reflecting structure |
| Answer» E. | |
| 13. |
Which of the following principles is used to concentrate sunlight in solar cookers? |
| A. | Rarefaction |
| B. | Evaporation |
| C. | Specular reflection |
| D. | Radiation |
| Answer» D. Radiation | |
| 14. |
What is pasteurization? |
| A. | Process of treating water by biological techniques |
| B. | Process of treating water by heating it mildly |
| C. | Process of producing water |
| D. | Process of capturing sun’s heat |
| Answer» C. Process of producing water | |
| 15. |
What is solar cooker? |
| A. | Uses direct sunlight to produce heat and cook food |
| B. | Uses solar energy to evaporate water and collect it within the same closed system |
| C. | Uses solar energy to dry substances |
| D. | Uses concentrated solar power to for industry |
| Answer» B. Uses solar energy to evaporate water and collect it within the same closed system | |