The point at which sun's declination changes from north to south, is known as fi

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Question
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.

Correct Answer

both (b) and (d) of the above.

Advanced Surveying problems

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1. 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.

2. 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.

4. Pick up the incorrect statement from the following :
Options
A. In truly vertical photographs without relief angles are true at the plumb point
B. In tilted photographs without relief, angles are true at the iso-centre
C. In tilled photographs with relief, angles are true at the principal point.
D. none of these.

5. Pick up the correct statement from the following :
Options
A. Centre of the celestial sphere is taken as the position of the observer
B. Centre of the celestial sphere is taken as the centre of the earth
C. stars move and maintain their relative positions
D. Celestial bodies though fixed, appear to revolve from east to west round the celestial pole.
E. All the above.

6. 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.

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