Civil Engineering - Surveying

46.
The sensitiveness of a level tube decreases if
radius of curvature of its inner surface is increased
diameter of the tube is increased
length of the vapour bubble is increased
both viscosity and surface tension are increased.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

47.
For true difference in elevations between two points A and B, the level must be set up
at any point between A and B
at the exact mid point of A and B
near the point A
near the point B.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

48.
ABCD is a regular parallelogram plot of land whose angle BAD is 60°. If the bearing of the line AB is 30°, the bearing of CD, is
90°
120°
210°
270°
Answer: Option
Explanation:
No answer description is available. Let's discuss.

49.
Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than
30 m
25 m
20 m
15 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.

50.
Pick up the correct statement from the following :
Box sextant is used for the measurement of horizontal angles
Cross staff is used for setting out right angles
Gradiometer is used for setting out any required gradient
Line ranger is used for locating intermediate stations on a survey line
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.