The declination and right ascension of the sun are each equal to zero on March 2

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Question
The declination and right ascension of the sun are each equal to zero on
Options
A. March 21
B. June 21
C. September 21
D. December 22.

Correct Answer

March 21

Advanced Surveying problems

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1. Pick up the correct statement from the following :
Options
A. the sun's right ascension increases for 0 h to 24 h when it returns to the First point of Aries
B. the maximum declination of the sun increases up to 23� N on about 21st June
C. the minimum declination of the sun is zero' on 22nd September
D. the maximum declination of the sun is about 23� S on 21st December
E. all the above.

2. The point at which sun's declination changes from north to south, is known as
Options
A. first point of Aeries
B. first point of Libra
C. vernal Equinox
D. autumnal Equinox
E. both (b) and (d) of the above.

3. Pick up the in-correct statement from the following :
Options
A. Apparent solar time is measured from the lower transit of the true sun
B. Mean solar time is measured from the lower transit of the mean sun
C. Sidereal time is measured from the lower transit of the first point of Aries
D. Sidereal time is measured from the upper transit of the first point of Aries.

4. For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through
Options
A. isocentre
B. plumb point
C. principal point
D. none of these.

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