To obtain photographs of an area of 1000 m average elevation, on scal – McqOptions

MCQOPTIONS

1.	To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is
A.	4000 m
B.	5000 m
C.	6000 m
D.	7000 m
Answer» D. 7000 m

Discussion

No Comment Found

Related MCQs

In which of the following compass sighting and reading taking cannot be done simultaneouslyfrom one position of the observer?
As applied to staff readings, the corrections for curvature and refraction are respectively The above table shows a part of a level field book. The value of X should be
If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at thatplace is
Invar tape is used for very high degree of precision,
Control segment consists:
What type of surveys needs to fix the boundaries of municipalities and of state and federaljurisdictions?
Anroid map used by GPS is:
The R.L, of the point A which is on the floor is 100 m and back sight reading on A is 2.455 m. If the foresight reading on the point B which is on the ceiling is 2.745 m, the R.L. of point B will be
Pick up the method of surveying in which field observations and plotting proceedsimultaneously from the following
True bearing of a line = magnetic bearing + magnetic declination If declination is towards………