Question 3. What will be the average elevation of terrain if the scale is given as 43m, focal length and height of the station as 4m and 20m?
19.19 m
91.91 m
9.91 m
9.9 m
Explanation:-
Answer: Option D. -> 9.9 m Answer: (d).9.9 m
Question 4. The value of horizontal distance can be determined by which of the following methods?
Traversing
Triangulation
Theodolite surveying
Compass surveying
Explanation:-
Answer: Option B. -> Triangulation Answer: (b).Triangulation
Question 5. Determine the scale at elevation point if the values of focal length, height of station and the height of mean sea level are given by 23cm, 76cm and 20cm.
0.41cm
0.4cm
4.41cm
1.41cm
Explanation:-
Answer: Option A. -> 0.41cm Answer: (a).0.41cm
Question 6. Flying height can be determined by using tilted photograph.
True
False
May be True or False
Can't say
Explanation:-
Answer: Option A. -> True Answer: (a).True
Question 7. For identification of length of a line, co-ordinates must be known.
True
False
May be True or False
Can't say
Explanation:-
Answer: Option A. -> True Answer: (a).True
Question 8. Determine the tilt displacement if the values of point of rotation and a are 3 and 4m having tilt angle 43˚23ꞌ with focal length 4m.
4.72m
42.72m
24.27m
24.72m
Explanation:-
Answer: Option D. -> 24.72m Answer: (d).24.72m
Question 9. Relief distortion depends on which of the following?
Zenith
Flying height
Datum
Focal length
Explanation:-
Answer: Option B. -> Flying height Answer: (b).Flying height
Question 10. Distance from isocentre is taken into consideration in tilt displacement.
