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. |
The altitude angle is maximum at noon. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Hour angle is a measure of time of day with respect to solar noon. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Altitude angle is the _______ |
| A. | vertical angle between projection of sun s rays on the horizontal plane of earth s surface |
| B. | horizontal angle between projection of sun s rays on the horizontal plane of earth s surface |
| C. | vertical angle between projection of sun s rays on the vertical plane normal to earth s surface |
| D. | horizontal angle between projection of sun s rays on the vertical plane normal to earth s surface |
| Answer» B. horizontal angle between projection of sun s rays on the horizontal plane of earth s surface | |
| 4. |
What the hour angle? |
| A. | Angle between ray of the sun when extended to the earth s center and the equatorial plane |
| B. | Angle between line joining the location to earth s center and earth s equatorial plane |
| C. | Angle through which the turns to bring the meridian of a point in line with sun s rays |
| D. | Angle through which the turns to bring the meridian of a point directly in line with sun s rays |
| Answer» E. | |
| 5. |
What is the range of sun s declination angle throughout the year? |
| A. | Between 0 and 90 degrees |
| B. | Between 0 and 23.5 degrees |
| C. | Between -23.5 and 23.5 degrees |
| D. | Between -23.5 and 0 degrees |
| Answer» D. Between -23.5 and 0 degrees | |
| 6. |
Which of the following indicates the position of any point on earth? |
| A. | Rectangular co-ordinate system |
| B. | Latitudes, longitudes |
| C. | Radial co-ordinate system |
| D. | Spherical co-ordinate system |
| Answer» C. Radial co-ordinate system | |
| 7. |
Solar radiation spectrum is close to _____ |
| A. | that of a black body |
| B. | that of a white body |
| C. | that of Jupiter |
| D. | that of phase response |
| Answer» B. that of a white body | |
| 8. |
When does the vernal equinox occur? |
| A. | January |
| B. | December |
| C. | September |
| D. | March |
| Answer» E. | |
| 9. |
When does the autumnal equinox occur? |
| A. | January |
| B. | August |
| C. | September |
| D. | December |
| Answer» D. December | |
| 10. |
The lines joining North and South pole of earth are called _____ |
| A. | latitudes |
| B. | longitudes |
| C. | equator |
| D. | semicircle lines |
| Answer» C. equator | |
| 11. |
How is latitude of a location on earth defined? |
| A. | Angle between line joining the location to earth s center and earth s equatorial plane |
| B. | Angle between line joining the location to earth s center and the meridian plane |
| C. | Angle subtended by sun on earth |
| D. | Angle between sun s rays extended to earth s center and earth s equatorial plane |
| Answer» B. Angle between line joining the location to earth s center and the meridian plane | |
| 12. |
What is the sun s declination during earth s motion from vernal equinox to summer solstice? |
| A. | Greater than 50 degrees |
| B. | Between 0 and 30 degrees |
| C. | Greater than 0 degrees |
| D. | Less than 0 degrees |
| Answer» E. | |
| 13. |
During which of the following periods is the earth below the plane of sun? |
| A. | Vernal equinox to winter solstice |
| B. | Winter solstice to vernal equinox |
| C. | Vernal equinox to summer solstice |
| D. | Summer solstice to winter solstice |
| Answer» D. Summer solstice to winter solstice | |
| 14. |
What is sun s declination angle during earth s motion from autumnal equinox to winter solstice? |
| A. | Greater than 90 degrees |
| B. | Less than 0 degrees |
| C. | Greater than 0 degrees |
| D. | Between 60 and 90 degrees |
| Answer» C. Greater than 0 degrees | |
| 15. |
Which of the following best describes the motion of sun from autumnal equinox to winter solstice? |
| A. | Earth is above the plane of the sun |
| B. | Earth is below the plane of the sun |
| C. | Earth s center lies on the plane of the sun |
| D. | Earth first escalates above the plane and then transcends below the plane of sun |
| Answer» B. Earth is below the plane of the sun | |