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
A.
The principal point coincides with plumb point on a true vertical photograph |
B.
The top of a hill appears on a truly vertical photograph at greater distance than its bottom from the principal point |
C.
The top of a hill is represented on a vertical photograph at larger scale than the area of a nearby valley |
D.
All the above |
A.
on its outer spindle with a relative motion between the vernier and graduated scale of lower plate |
B.
on its outer spindle without a relative motion between the vernier and gra-duated scale of lower plate |
C.
on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate |
D.
on its inner spindle without a relative motion between the vernier and the graduated scale of lower plate |