# Civil Engineering - Surveying

Exercise : Surveying - Section 5
1.
The ratio of the distances at which a stated length can be distinguished by the telescope and the human eye, respectively, is called
brightness of telescope
magnification of telescope
resolving power of telescope
none of these.
Explanation:
No answer description is available. Let's discuss.

2.
Bergchrund is a topograhical feature in
plains
water bodies
hills
glaciated region
Explanation:
No answer description is available. Let's discuss.

3.
To orient a plane table at a point P roughly south of the mid-point of two inaccessible conical hill stations A and B in the plains, a point C is selected in line with AB and table is oriented at C by bringing ab in line with AB. A ray is then drawn towards P and at P the table is oriented by back ray method. The orientation so obtained, is
unique and correct
incorrect
manifold and correct
not reliable.
Explanation:
No answer description is available. Let's discuss.

4.
Which one of the following statements is correct ?
when the axes of rotation of the graduated circle and the verniers are not coincident, the instrument possesses eccentricity
the mean of the readings of the two verniers gives correct reading free from the eccentricity
one vernier may be used if the readings of two verniers differ by a constant
all the above.