For plane ground the scale of a vertical photograph will be same as that of a ti

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Question
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.

Correct Answer

isocentre

Advanced Surveying problems

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2. 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.

3. 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.

5. The sun's declination remains north between
Options
A. March 21 to June 21
B. June 21 to September 21
C. September 21 to December 21
D. December 21 to Mach 21
E. both (a) and (b) of above.

6. 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.

7. 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.

8. 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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