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Question Bank
Questions for SOLAR SYSTEM
Answer the following questions
Test Mode
Training Mode
1. The UTC of sunrise on 6 December at WINNIPEG (Canada) (49°50'N 097°30'W) is?
1215
1900
1411
0730
2. On the 27th of February, at 55°S and 020°W. The sunrise is at 0250 UTC. On the same day, at 55°S and 075°W, the sunrise is at?
0630 UTC
0523 UTC
0743 UTC
0243 UTC
3. At what approximate date is the earth closest to the sun (perihelion) ?
Middle of June
21 September
21 March
Beginning of January
4. In which months is the difference between apparent noon and means noon the greatest?
January and July
March and September
November and February
June and December
5. In which two months of the year is the difference between the transit of the Apparent Sun and Mean Sun across the Greenwich Meridian the greatest?
January and August
February and November
June and December
March and July
6. When standing at the South Pole in which direction will you be facing?
North
West
East
South
7. The sun rises at 55° N and 050°E on the 25th January at 0254 UTC. On the same day what time does it rises at 55° N and 040° W?
0714 UTC
0514 UTC
2154 UTC
0854 UTC
8. The angle between the plane of the ecliptic and the plane of equator is approximately?
25.3°
66.5°
23.5°
27.5°
9. How would you define standard time in relation to UTC?
It is local time
It is another term for UTC
It is based on local sunrise and sunset
It is local time adjusted to whole or half hours difference from UTC
10. At 1200 Standard Time on the 10th July in Queensland, Australia, what is the Standard Time in Hawaii, USA?
1000 10th July
0200 10th July
1600 09th July
1200 10th July
11. What is the Standard Time in Hawaii when it is 0600 ST on the 16 July in Queensland, Australia?
1000 on the 16th
1000 on the 17th
2000 on the 15th
1000 on the 15th
12. What is the local mean time, position 65°25'N 123°45'W at 2200 UTC?
1415
1345
0615
1815
13. Two aircrafts are flying eastwards around the earth. Aircraft A is flying along the 75N parallel of latitude and aircraft B is flying along 45S. If aircraft A is flying at a groundspeed of 300 knots, what would be the groundspeed of aircraft B both aircraft fly once round the Earth in the same journey time?
820 knots
740 knots
860 knots
920 knots
14. The angle between the plane of the ecliptic and the plane of equator is approximately?
66.5°
90.0°
32.5°
23.5°
15. On the 27th of February, at 52°S and 040°E, the sunrise is at 0243UTC. On the same day, at 52°S and 035°W, the sunrise is at?
0243 UTC
2143 UTC
0523 UTC
0743 UTC
16. Two aircraft are flying eastwards around the earth. Aircraft A is flying along the 50N parallel of latitude B is flying along the equator. If aircraft A is flying at a groundspeed of 340 knots, what would be the groundspeed of aircraft B both aircraft fly once round the Earth in the same journey time?
600 knots
529 knots
540 knots
480 knots
17. Two aircraft are flying eastwards around the earth. Aircraft A is flying along the 60N parallel of latitude and aircraft B is flying along the 20°N parallel. If aircraft A is flying at a groundspeed of 240 knots, what would be the groundspeed of aircraft B both aircraft once round the Earth in the same journey time?
560 knots
451 knots
245 knots
212 knots
18. The UTC of the end of evening civil twilight in position 51°N 008°W on 15 August is?
1942
1926
2031
1958
19. If it is 0700 hours Standard Time in Kuwait, what is the Standard Time in Algeria?
1200 hours
0300 hours
0900 hours
0500 hours
20. The circumference of the Earth is approximately?
5,600 km
13,200 km
16,400 km
40,000 km
21. At what times of the year does the length of the hours of daylight change most rapidly?
Autumn Equlnox and Winter Solstice
Spring (Vernal) Equinox and Summer Solstice
Spring (Vernal) Equinox and Autumn Equinox
Summer Solstice and Winter Solstice
22. What is the approximate circumference of the earth?
11800 nm
21600 nm
5400 nm
43400 nm
23. At what approximate date is the earth furthest from the sun (aphelion)?
Beginning of January
21 March
21 August
Beginning of July
24. Two aircraft are flying eastwards around the earth. Aircraft A is flying along the 45N parallel of latitude and aircraft B is flying along the equator. If aircraft A is flying at a groundspeed of 300 knots, what would be the groundspeed of aircraft B both aircraft fly once round the Earth in the same journey time?
480 knots
600 knots
420 knots
424 knots
25. When it is 1000 Standard Time in Kuwait, the Standard Time in Angola is?
0800
1200
1400
0700
26. The ratio of the ellipticity of the earth is 1/297, if the major axis in 6956 km at the equator, what is the major axis (poles)?
6952 km
6879 km
6862 km
6932 km
27. The main reason that day and night, throughout the year, have different duration, is due to the?
Gravitational effect of the sun and moon on the speed of rotation of the Earth
Relative speed of the sun along the ecliptic
Inclination of the ecliptic to the equator
Earth's rotation
28. What is the highest latitude listed below at which the sun will reach and angle of 90° above the horizon at some time during the year?
32°
60°
23°
66°
29. Civil Twilight occurs between?
Sunrise and sunset
The times when the sun is between 12° and 18° below the horizon
The times when the sun is between 6° and 12° below the horizon
Sunset and when the sun is 6° below the horizon
30. The duration of civil twilight is the time?
Between Sunset and when the top of the Sun is 6° below the visual horizon
Between sunset and when the centre of the Sun is 6° below the visual horizon
Between Sunset and when the centre of the sun is 6° below the true horizon
When the Sunset and Sunrise
31. An aircraft takes off from Guam at 2300 Standard Time on 30 April local date. After a flight of 11 HR 15 MIN it lands at Los Angeles (California). What is the Standard Time and local date of arrival (assume summer time rules apply)?
1715 on 29 April
2415 on 30 April
1715 on 30 April
1715 on 01 May
32. Assuming mid-latitudes (40° to 50°N/S). At which time of year is the relationship between the length of day and night, as well as the rate of change of declination of the sun, changing at the greatest rate?
Summer solstice
Winter Solstice
Mid July
Spring equinox and autumn equinox
33. When it is 1300 Standard Time in Queensland (Australia) the Standard Time in Hawaii (USA) is?
1000
1200
1500
1700
34. The sun rises at 45° N and 025° E on the 21st March at 1633 UTC. On the same day what time does it rise at 45° N and 060° W?
2254 UTC
1714 UTC
2213 UTC
2154 UTC
35. What is the meaning of the term "Standard time"?
It is just another term for UTC
It is constant at all points on the earth
It is the time set by the legal authorities for a country or part of a country
It is time related to the Prime meridian
36. The main reason that day and night, throughout the year, have different duration, is due to the?
The changing distance between the Sun and the Earth
The inclination of the ecliptic to the equator
The changing shape of the orbit of the Earth around the Sun
The changing speed of rotation of the Earth
37. The UTC of the end of civil twilight in position 051N 008W on the 15th August?
1927
1730
1959
2030
38. What is the highest latitude on the Earth at which the sun can be vertically overhead?
45.0°
66.2°
23.2°
90.0°
39. What is the UTC time at sunrise in Vancouver, British COLUMBIA, Canada 49N 123 30 W on the 6th December?
0813
1012
0736
1550
40. Two aircraft are flying eastwards around the earth. Aircraft A is flying along the 30N parallel of latitude and aircraft B is flying along the equator. If aircraft A is flying at a groundspeed of 400 knots, what would be e groundspeed of aircraft B both aircraft fly once round the Earth in the same journey time?
462 knots
560 knots
480 knots
320 knots
41. On the 27th of February, at 52° S and 034°W, the sunrise is at 0743 UTC. On the same day, at 52°S and 040°E, the sunrise is at?
0543 UTC
1243 UTC
0743 UTC
0243 UTC
42. What is the time of sunrise in Vancouver, British Columbia, Canada (49N 123° 30'W) on the 6th January expressed in UTC?
1608 UTC
2340 UTC
0754 UTC
0717 UTC
43. Two aircraft are flying eastwards around the earth. Aircraft A is flying along the 60 N parallel of latitude and aircraft B is flying along the equator. If aircraft A is flying at a groundspeed of 240 knots, what would be the groundspeed of aircraft B both aircraft fly once round the Earth in the same journey time?
240 knots
480 knots
120 knots
600 knots
44. At what approximate date is the earth furthest from the sun (aphelion)?
End of December
Beginning of July
Beginning of January
End of September
45. The sun rises at 50°N nd 025°E on the 25th January at 0254 UTC. On the same day what time does it rise at 50°N and 040°W?
0254 UTC
0714 UTC
2154 UTC
0514 UTC
46. Which is the highest latitude listed below at which the sun will rise above the horizon and set every day?
66°
23.5°
32.5°
The tropics of Cancer and Capricorn
47. A time difference of 5 hours 20 minutes and 20 seconds is equivalent to which change of longitude?
78°15'
79°10'
81°30'
80°5'
48. The sun rises at 50°N and 025°W on the 25th January at 0654 UTC. On the same day what time does it rise at 50° N and 040° E?
0234 UTC
0154 UTC
0514 UTC
0254 UTC
49. What is the reason for seasonal changes in climate?
Because the Earth's spin axis is inclined to the plane of its orbit round the Sun
Because of the difference between the Tropical Year and the Calendar year
Because the Earth's orbital speed round the Sun varies according to the time of the year
Because the distance between the Earth and the Sun varies over a year
50. At which of the following latitudes does the maximum difference between geodetic and geocentric latitude occur?
90°
00°
60°
45°
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