MCQOPTIONS
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MCQOPTIONS
This section includes 10 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 length of mean solar day is slowly increasing. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
What is local true solar time? |
| A. | Equivalent of earth s solar time on other planets |
| B. | Solar time on every location of earth |
| C. | Solar time on the Greenwich meridian |
| D. | Solar time on the equator |
| Answer» B. Solar time on every location of earth | |
| 3. |
Which of the following solar time duration is not constant throughout the year? |
| A. | Mean solar day |
| B. | Sidereal day |
| C. | Local true solar time |
| D. | Apparent solar day |
| Answer» E. | |
| 4. |
One sidereal day is ______ solar hours and ______ solar minutes long. |
| A. | 26, 57 |
| B. | 24, 59 |
| C. | 23, 56 |
| D. | 24, 60 |
| Answer» D. 24, 60 | |
| 5. |
Solar day is ______ sidereal day. |
| A. | 4 min shorter than |
| B. | 4 min longer than |
| C. | 10 min shorter than |
| D. | 10 min longer than |
| Answer» C. 10 min shorter than | |
| 6. |
What is a sidereal day? |
| A. | Time taken by earth to rotate about its axis for distant stars to appear fixed |
| B. | Time taken by earth to rotate about its axis for sun to appear fixed |
| C. | Time taken by earth to rotate about its axis for distant stars to be moved by 1 degree |
| D. | Time taken by earth to rotate about its axis for distant stars to be moved by 0.5 degrees |
| Answer» B. Time taken by earth to rotate about its axis for sun to appear fixed | |
| 7. |
What is a solar day? |
| A. | One complete revolution of sun around moon |
| B. | One complete revolution of earth around sun |
| C. | One complete revolution of moon around earth |
| D. | One complete revolution of sun around earth |
| Answer» E. | |
| 8. |
How does the solar noon vary with every 15 degrees of longitude west of a given longitude? |
| A. | Solar noon occurs one hour later with every 15 degrees of longitude west of a given longitude |
| B. | Solar noon occurs one hour earlier with every 15 degrees of longitude east of a given longitude |
| C. | Solar noon occurs one hour later with every 15 degrees of longitude west of a given longitude |
| D. | Solar noon occurs half hour later with every 15 degrees of longitude west of a given longitude |
| Answer» D. Solar noon occurs half hour later with every 15 degrees of longitude west of a given longitude | |
| 9. |
How does the solar noon vary with every 15 degrees of longitude east of a given longitude? |
| A. | Solar noon occurs one hour late with every 15 degrees of longitude east of a given longitude |
| B. | Solar noon occurs one hour earlier with every 15 degrees of longitude east of a given longitude |
| C. | Solar noon occurs does not vary with longitude |
| D. | Solar noon occurs half hour late with every 15 degrees of longitude east of a given longitude |
| Answer» C. Solar noon occurs does not vary with longitude | |
| 10. |
What is solar noon? |
| A. | Time of the day at which sun s rays are perpendicular to a given line of longitude |
| B. | Time of the day at which sun s rays are parallel to a given line of longitude |
| C. | Time of the day at which sun s rays are perpendicular earth s surface |
| D. | Time of the day at which sun s rays are parallel to earth s surface |
| Answer» B. Time of the day at which sun s rays are parallel to a given line of longitude | |