# SSC JE Civil Engineering Preliminary Exam in January 2018 | Practice test Day – 46

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1.

The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at

2.

If L is in kilometres, the curvature correction is

3.

An angle of deflection right, may be directly obtained by setting the instrument to read

4.

In levelling operation,

5.

The horizontal angle between true meridian and magnetic meridian, is known

6.

The whole circle bearing of a line is 290°. Its reduced bearing is

7.

Systematic errors are those errors

8.

The minimum range for sliding the focusing lens in the internal focusing telescope for focusing at all distances beyond 4 m is

9.

Ramsden eye-piece consists of

10.

Transition curves are introduced at either end of a circular curve, to obtain

11.

For orientation of a plane table with three points A, B and C, Bessel's drill is

12.

Which one of the following mistakes/errors may be cumulative + or – :

13.

The reduced bearing of a line is N 87° W. Its whole circle bearing is

14.

The orthographical projection of a traverse leg upon the reference meridian, is known as

15.

If a tacheometer is fitted with an anal-latic lens

16.

The method of finding out the difference in elevation between two points for eliminating the effect of curvature and refraction, is

17.

Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details, are known as

18.

Total latitude of a point is positive if it lies

19.

With usual notations, the expression  V^2/gR represents

20.

The slope correction may be ignored if

21.

ABCD is a rectangular plot of land. If the bearing of the side AB is 75°, the bearing of DCis

22.

The distance between steps for measuring down hill to obtain better accuracy

23.

The apparent error on reversal is

24.

Magnetic declination at any place

25.

Grid lines are parallel to

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