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. |
Pyranometer has a non-directional response. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Light sensitivity is known as spectral response. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
__________ is a physical device that can be correlated to the number of photons detected. |
| A. | Photodiode |
| B. | LEDs |
| C. | CFLs |
| D. | CFCs |
| Answer» B. LEDs | |
| 4. |
What technologies are used in pyranometers? |
| A. | Silicon semiconductor technology and routing technology |
| B. | Thermopile technology and doping |
| C. | Doping and routing technology |
| D. | Silicon semiconductor technology and thermopile technology |
| Answer» E. | |
| 5. |
Which of the following is generally used to measure direct solar radiation? |
| A. | Pyranometer |
| B. | Actinometer |
| C. | Pyrheliometer |
| D. | IC tester |
| Answer» D. IC tester | |
| 6. |
Which of the following best describes the working of thermoelectric pyranometer? |
| A. | Solar radiation thermal e.m.f measured thin black surface rise in temperature until equilibrium |
| B. | Solar radiation thin black surface rise in temperature until equilibrium thermal e.m.f measured |
| C. | Thin black surface solar radiation rise in temperature until equilibrium thermal e.m.f measured |
| D. | Solar radiation rise in temperature until equilibrium thin black surface thermal e.m.f measured |
| Answer» C. Thin black surface solar radiation rise in temperature until equilibrium thermal e.m.f measured | |
| 7. |
Why should the beam response vary with cosine of the angle of incidence? |
| A. | To account for perpendicular and parallel rays |
| B. | Because cosine is the simplest mathematical function |
| C. | To account for inclination of earth s axis |
| D. | Because of non-uniform dispersion of solar radiation |
| Answer» B. Because cosine is the simplest mathematical function | |
| 8. |
To perform irradiance measurement, which of the following is necessary? |
| A. | Beam response varies with sine of the angle of incidence |
| B. | Beam response varies linearly with angle of incidence |
| C. | Beam response is constant with varying angle of incidence |
| D. | Beam response varies with cosine of the angle of incidence |
| Answer» E. | |
| 9. |
Global and diffuse solar radiation can be measured by ________ |
| A. | thermal actinometer |
| B. | heat pumps |
| C. | thermoelectric pyranometers |
| D. | oscilloscopes |
| Answer» D. oscilloscopes | |
| 10. |
Which of the following categories does a pyranometer belong to? |
| A. | Voltmeters |
| B. | Actinometers |
| C. | Hall sensors |
| D. | Amplifiers |
| Answer» C. Hall sensors | |
| 11. |
As a system, actinometer is a _____ or _______ |
| A. | chemical system or physical device |
| B. | chemical system or thermal device |
| C. | thermal device or mechanical device |
| D. | thermo-mechanical system or physical device |
| Answer» B. chemical system or thermal device | |
| 12. |
How does actinometer work? |
| A. | By determining the number of electrons in a beam integrally |
| B. | By determining the number of protons in a beam differentially |
| C. | By determining the direction of photons |
| D. | By determining the number of photons integrally |
| Answer» E. | |
| 13. |
Actinometer is primarily used to measure ______ and ______ |
| A. | infrared and ultraviolet |
| B. | visible and infrared |
| C. | visible and ultraviolet |
| D. | infrared and UV-A |
| Answer» D. infrared and UV-A | |
| 14. |
What is does an actinometer measure? |
| A. | Wind speed |
| B. | Intensity of radiation |
| C. | Wind direction |
| D. | Direction of radiation |
| Answer» C. Wind direction | |
| 15. |
What are the two basic ways to measure solar radiation? |
| A. | Ground-based instrumentation and satellite measurement |
| B. | Telephonic measurement and mobile tower measurement |
| C. | Anemometer and voltmeter |
| D. | Ammeter and voltmeter |
| Answer» B. Telephonic measurement and mobile tower measurement | |