Civil Engineering :: Surveying
- In a spherical triangle ABC, right angled at C, sin b equals
- Pick up the correct statement from the following:
- Pick up the correct statement from the following:
- On vertical photographs, height displacement is
- The First Point of Aeries
- The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called
- If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated
- The position of a heavenly body on the celestial sphere can be completely specified by
- The want of correspondence in stereo-photographs
- If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about
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A.
The principal point coincides with plumb point on a true vertical photograph |
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B.
The top of a hill appears on a truly vertical photograph at greater distance than its bottom from the principal point |
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C.
The top of a hill is represented on a vertical photograph at larger scale than the area of a nearby valley |
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D.
All the above |
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A.
on its outer spindle with a relative motion between the vernier and graduated scale of lower plate |
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B.
on its outer spindle without a relative motion between the vernier and gra-duated scale of lower plate |
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C.
on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate |
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D.
on its inner spindle without a relative motion between the vernier and the graduated scale of lower plate |