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. |
The inclination of earth’s axis also contributes towards variation in solar time. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Solar time is 21 seconds less than clock time in September and 29 seconds more than clock time in December. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The hour angle of the mean sun plus 12 hours is _______ |
| A. | mean solar time |
| B. | angled solar time |
| C. | offset solar time |
| D. | apparent solar time |
| Answer» B. angled solar time | |
| 4. |
Which of the following describes the elliptical nature of earth’s orbit? |
| A. | Apparent solar time |
| B. | Sundial |
| C. | Maxwell’s laws |
| D. | Kepler’s laws |
| Answer» E. | |
| 5. |
What is apparent solar day? |
| A. | Interval between sunrise and sunset of a normal day |
| B. | Interval between two successive returns of sun on equator |
| C. | Interval between two successive returns of sun on local meridian |
| D. | Imaginary solar day |
| Answer» D. Imaginary solar day | |
| 6. |
What does a clock running at a constant rate follow? |
| A. | Moon |
| B. | Imaginary mean sun |
| C. | Actual sun |
| D. | Real mean sun |
| Answer» C. Actual sun | |
| 7. |
The clock running at a constant (say, a pendulum clock) rate _____ |
| A. | cannot follow the sun |
| B. | always follows the sun |
| C. | follows the sun randomly |
| D. | follows the moon |
| Answer» B. always follows the sun | |
| 8. |
Why is does the solar time vary in September and December? |
| A. | Because of earth-moon distance |
| B. | Because of earth-moon gravitational force |
| C. | Because of eccentricity of sun-moon orbit |
| D. | Because of eccentricity of earth-sun orbit |
| Answer» E. | |
| 9. |
Solar time is _____ clock time in December and ____ clock time in September. |
| A. | same as, same as |
| B. | less, more |
| C. | more, less |
| D. | more, same as |
| Answer» D. more, same as | |
| 10. |
What is mean solar time also known as? |
| A. | Rotation time |
| B. | Clock time |
| C. | Lunar time |
| D. | Sundial time |
| Answer» C. Lunar time | |
| 11. |
Which of the following is the simplest sundial? |
| A. | A tall pole casting a shadow whose length and position varies with sun’s position |
| B. | A tall pole |
| C. | A tall pole casting a shadow that varies with moon’s position |
| D. | A stone slab |
| Answer» B. A tall pole | |
| 12. |
What is apparent time also known as? |
| A. | Clock time |
| B. | Revolution time |
| C. | Lunar time |
| D. | Sundial time |
| Answer» E. | |
| 13. |
What are the two types of solar time? |
| A. | Fundamental solar and multi-solar time |
| B. | Apparent and diurnal solar time |
| C. | Apparent solar time and mean solar time |
| D. | Mean solar time and single-solar time |
| Answer» D. Mean solar time and single-solar time | |
| 14. |
What is the fundamental unit of solar time? |
| A. | Seconds |
| B. | Day |
| C. | Hour |
| D. | Meter |
| Answer» C. Hour | |
| 15. |
What is solar time? |
| A. | Calculation of passage of time based on sun’s position in sky |
| B. | Calculation of passage of time based on moon’s position in sky |
| C. | A unit that measures astronomical time |
| D. | A reference unit for time |
| Answer» B. Calculation of passage of time based on moon’s position in sky | |