Q. In an adjusted level, when the bubble is central, the axis of the bubble tube becomes parallel to

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Q. The total change in level along the line is equal to total back sights

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

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Q. Grid lines are parallel to

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Q. Total latitude of a point is positive if it lies

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Q. In levelling operation,

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Q. The apparent error on reversal is

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Q. Magnetic declination at any place

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Q. Systematic errors are those errors

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Q. If L is in kilometres, the curvature correction is

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Q. There are two stations A and B. Which of the following statements is correct :

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Q. Chain surveying is well adopted for

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Q. In a closed traverse, sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures, then, the closing line will lie in

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Q. A sewer is laid from a manhole A to a manhole B, 250 m away along a gradient of 1 in 125. If the reduced level of the invert at A is 205.75 m and the height of the boning rod is 3 m, the reduced level of the sight rail at B, is

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Q. The Huygen's telescope eye piece

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Q. The operation of resection involves the following steps

1. rough orientation of the plane table
2. the three lines form a triangle of error
3. drawing lines back through the three control points
4. select a point in the triangle of error such that each ray is equally rotated either clockwise or anti clockwise
5. the points obtained by three rays is the correct location.

The correct sequence is

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Q. To avoid large centering error with very short legs, observations are generally made

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Q. During secular variation of magnetic meridian at different places

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Q. Designation of a curve is made by :

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Q. The smaller horizontal angle between the true meridian and a survey line, is known

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