Civil Surveying and Leveling Part-3

Test Preparation on Civil Surveying and Leveling Part-3

1.

If the intercept on a vertical staff is observed as 0.75 m from a tachometer, the horizontal distance between the tachometer and staff

17.5 m
225 m
350 m
475 m

2.

Simpson's rule for calculating areas states that the area enclosed by a curvilinear figure divided into an even number of strips of equal width is equal to

1Half the width of a strip, multiplied by the sum of two extreme offsets, twice the sum ofremaining odd offsets, and thrice the sum of the even offsets
2One-third the width of a strip, multiplied by the sum of two extreme offsets, twice the sumof remaining odd offsets and four times the sum of the even offsets
3One-third the width of a strip, multiplied by the sum of two extreme offsets, four times thesum of the remaining odd offsets, and twice the sum of the even offsets
4One-sixth the width of a strip, multiplied by the sum of the two extreme offsets, twice thesum of remaining odd offsets and four times the sum of the even offsets

3.

The ratio of the distances at which a stated length can be distinguished by the telescope and the human eye, respectively, is called

1Brightness of telescope
2Magnification of telescope
3Resolving power of telescope
4None of these

4.

The radius of a simple circular curve is 300 m and the length of its specified chord is 30 m. The degree of the curve is

15.73
25.37
33.57
43.75

5.

If the shift and the length ofthe transition curve, then, total tangent length of the curve, is

1(R - S - L/2
2(R + S - L/2
3(R + S L/2
4(R - S L/2

6.

A series of closely spaced contour lines represents a

1Steep slope
2Gentle slope
3Uniform slope
4Plane surface

7.

In an internal focusing telescope

1The objective is at a fixed distance from the diaphragm
2The focusing is done by the sliding of a divergent lens
3The focusing divergent lens is situated at about the middle of the tube
4All the above

8.

During secular variation of magnetic meridian at different places

1Range of oscillations is constant
2Period of oscillation is constant
3Range and period of oscillation both vary
4Period of oscillation only varies

9.

Correction per chain length of 100 links a slope of ? radians, is

1100 ?2
2100 ?
3100 ?3
4100 ?-1

10.

While viewing through a level telescope and moving the eye slightly, a relative movement occursbetween the image of the levelling staff and the cross hairs. The instrument is

1Correctly focussed
2Not correctly focussed
3Said to have parallax
4Free from parallax

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