MCQOPTIONS
Saved Bookmarks
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. |
Bolometers are used for ionizing particles, photons and non-ionizing particles. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
In a bolometer, the greater the absorbed power, higher the temperature. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following best describes the working of bolometer? |
| A. | Radiation → temperature of absorptive element increases above the thermal reservoir → resistive thermometer to measure temperature change |
| B. | Radiation → resistive thermometer to measure temperature change → temperature of absorptive element increases above the reservoir |
| C. | Temperature of absorptive element increases above the reservoir → radiation → resistive thermometer to measure temperature change |
| D. | Radiation → temperature of absorptive element increases above the electrical reservoir → resistive thermometer to measure temperature change |
| Answer» B. Radiation → resistive thermometer to measure temperature change → temperature of absorptive element increases above the reservoir | |
| 4. |
What is a bolometer made up of? |
| A. | A thermal reservoir and a metal layer |
| B. | An electrical reservoir and an insulated layer |
| C. | An absorptive element, thermal reservoir and a thermally insulated material linking both of them |
| D. | An absorptive element, thermal reservoir and a thermal link |
| Answer» E. | |
| 5. |
Which of the following technology does a net radiometer work on? |
| A. | Semiconductor |
| B. | Conductor-insulator |
| C. | Thermopile sensor |
| D. | Photoelectric effect |
| Answer» D. Photoelectric effect | |
| 6. |
What does the net radiometer measure? |
| A. | Measures the incoming solar radiation |
| B. | Measures the difference between incoming and outgoing radiation |
| C. | Measures the sum of incoming and outgoing radiation |
| D. | Measures the outgoing solar radiation |
| Answer» C. Measures the sum of incoming and outgoing radiation | |
| 7. |
Photodiode works on the principle of _______ |
| A. | photoelectric effect |
| B. | LED |
| C. | thermocouple |
| D. | differential resistance |
| Answer» B. LED | |
| 8. |
Which portion of the solar spectrum can a photodiode-based pyranometer detect? |
| A. | 100 – 200nm |
| B. | 1 – 10um |
| C. | 150 – 200nm |
| D. | 400 – 900 nm |
| Answer» E. | |
| 9. |
What is the irradiation proportional to in thermopile technology? |
| A. | Difference between sun exposed area and shadow area |
| B. | Difference between temperature of sun exposed area and shadow area |
| C. | Difference between temperature of sun exposed area and temperature of shadow area |
| D. | Difference between of sun exposed area and temperature of shadow area |
| Answer» D. Difference between of sun exposed area and temperature of shadow area | |
| 10. |
Thermopile is a collection of _______ |
| A. | thermocouples connected in parallel |
| B. | thermocouples connected in series |
| C. | reflectors connected in series |
| D. | reflectors connected in parallel |
| Answer» C. reflectors connected in series | |
| 11. |
Which of the following best describes the measurement process in a pyrheliometer? |
| A. | Sunlight → window in pyrheliometer → thermopile → heat is converted to electrical signal → recorded |
| B. | Sunlight → window in pyrheliometer → heat is converted to electrical signal → thermopile → recorded |
| C. | Window in pyrheliometer → sunlight → thermopile → heat is converted to electrical signal → recorded |
| D. | Sunlight → heat is converted to electrical signal → window in pyrheliometer → thermopile → recorded |
| Answer» B. Sunlight → window in pyrheliometer → heat is converted to electrical signal → thermopile → recorded | |
| 12. |
How does a sunshine recorder work? |
| A. | Measures the solar irradiance |
| B. | Measures the solar radiation |
| C. | Measures the number of hours of sunshine |
| D. | Measures the number of hours of sunshine above a certain threshold |
| Answer» E. | |
| 13. |
What is the main advantage of sunshine recorder? |
| A. | It is more sophisticated than pyranometers and pyrheliometers |
| B. | It is more expensive than pyranometers and pyrheliometers |
| C. | It is less accurate but inexpensive |
| D. | It is less accurate but extremely expensive |
| Answer» D. It is less accurate but extremely expensive | |
| 14. |
What is the main difference between pyranometer and pyrheliometer? |
| A. | Both measure solar radiation |
| B. | Pyranometer measures global radiation while pyrheliometer measures direct solar radiation |
| C. | Pyranometer and pyrheliometer measure global radiation |
| D. | Pyranometer measures solar radiation while pyrheliometer measures global radiation |
| Answer» C. Pyranometer and pyrheliometer measure global radiation | |
| 15. |
What is the Angstrom compensation pyrheliometer used to measure? |
| A. | Direct solar radiation |
| B. | Indirect solar radiation |
| C. | Diffused solar radiation |
| D. | UV radiation |
| Answer» B. Indirect solar radiation | |