# Civil Engineering - Surveying

Exercise : Surveying - Section 3
21.
A traverse deflection angle is
less than 90°
more than 90° but less than 180°
the difference between the included angle and 180°
the difference between 360° and the included angle.
Explanation:
No answer description is available. Let's discuss.

22.
While measuring a chain line between two stations A and B intervened by a raised ground
vision gets obstructed
chaining gets obstructed
both vision and chaining get obstructed
all the above.
Explanation:
No answer description is available. Let's discuss.

23.
The Random errors tend to accumulate proportionally to
numbers of operations involved
reciprocal of operations involved
square root of the number of operation involved
cube root of the number of operation involved.
Explanation:
No answer description is available. Let's discuss.

24.
The true meridian of a place is the line in which earth's surface is intersected by a plane through
east and west points
north and south geographical poles
north and south magnetic poles.
Explanation:
No answer description is available. Let's discuss.

25.
The least count of a vernier scale is
sum of the smallest divisions of main and vernier scales
value of one division of the primary scale divided by total number of divisions of vernier scale
value of one division of vernier scale divided by total number of divisions of primary scale
none of these.