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1) The 'fix' of a plane table from three known points, is good, if
2) A traverse deflection angle is
3) Prismatic compass is considered more accurate than a surveyor's compass, because
4) Diurnal variation of magnetic declination is
5) A clinometer is used for
6) Which one of the following procedures for getting accurate orientation is the most distinctive feature of the art of plane tabling
7) Back bearing of a line is equal to
8) If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as
9) The Random errors tend to accumulate proportionally to
10) The least count of a vernier scale is
11) In tacheometrical observations, vertical staff holding is generally preferred to normal staffing, due to
12) The ratio of the angles subtended at the eye, by the virtual image and the object, is known as telescope's
13) The 'point of curve' of a simple circular curve, is
14) The construction of optical square is based, on the principle of optical
15) Removal of parallax, may be achieved by focussing
16) The curve composed of two arcs of different radii having their centres on the opposite side of the curve, is known
17) 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
18) Imaginary line passing through points having equal magnetic declination is termed as
19) While rotating the theodolite in the horizontal plane, the bubble of the bubble tube takes up the same position in its tube, it indicates
20) In a constant level tube, size of the bubble remains constant because upper wall is
21) The direction of steepest slope on a contour, is
22) The main plate of a transit is divided into 1080 equal divisions. 60 divisions of the vernier coincide exactly with 59 divisions of the main plate. The transit can read angles accurate upto
23) The true meridian of a place is the line in which earth's surface is intersected by a plane through
24) The longitudinal section of the surface of bubble tube is
25) In reciprocal levelling, the error which is not completely eliminated, is due to