43951. Contour lines of different elevations can unite to form one line, only in the case of
43952. The line of sight is kept as high above ground surface as possible to minimise the error in the observed angles due to
43953. The smaller horizontal angle between the true meridian and a survey line, is known
43954. The distance between terminal points computed from a subsidiary traverse run between them, is generally known, as
43955. For locating a distant object visible from two transit stations, the method usually preferred to, is
43956. Accidental or compensating errors of length L are proportional to
43957. Tacheometric formula for horizontal distances using horizontal sights can also suitable be employed for inclined sights through θ by multiplying
43958. Number of subdivisions per metre length of a levelling staff is
43959. Choose the alternative which best expresses the meaning of the idiom:“To show the white feather”
43960. Prolongation of chain line across an obstruction in chain surveying, is done by
43961. Check lines (or proof lines) in Chain Surveying, are essentially required
43962. While measuring the distance between two points along upgrade with the help of a 20 m chain, the forward end of the chain is shifted forward through a distance
43963. Subtense tacheometry is generally preferred to if ground is
43964. For high sensivity of the bubble tube
43965. Short offsets are measured with
43966. The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground, is known
43967. There are two stations A and B. Which of the following statements is correct :
43968. Chain surveying is well adopted for
43969. 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
43970. 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
43971. The Huygen's telescope eye piece
43972. The first reading from a level station is
43973. The length of a traverse leg may be obtained by multiplying the latitude and
43974. The boy,along with the tourists-gone
43975. An internal focussing type surveying telescope, may be focussed by the movement of
43976. is the conventional sign of
43977. In chain surveying, perpendiculars to the chain line, are set out by
43978. The difference in the lengths of an arc and its subtended chord on the earth surface for a distance of 18.2 km, is only
43979. The boundary of water of a still lake, represents
43980. Diaphragm of a surveying telescope is held inside
43981. While surveying a plot of land by plane tabling, the field observations
43982. If α and β be the elevations of two objects A and B respectively, θ be the angle observed by a sextant. The correct horizontal angle is
43983. If vertical angles of inclined sights do not exceed 10° and non-verticality of the staff remains within 1°, stadia system of tacheometric observations are made on
43984. If the length of a chain line along a slope of θ° is l, the required slope correction is
43985. The sag of 50 m tape weighing 4 kg under 5 kg tension is roughly
43986. The angle of intersection of a contour and a ridge line, is
43987. The area of any irregular figure of the plotted map is measured with
43988. is a conventional sign of
43989. Probable accidental error in precise levelling as recommended by International Geodetic Association, should not exceed (where k is in kilometers.)
43990. The curvature of the earth's surface, is taken into account only if the extent of survey is more than
43991. The slope correction for a 3° slope for a length of 100 m, is
43992. In horizontal angles, the error due to imperfect levelling of the plate bubble is
43993. Find out the passive form of:“Does she know me”?
43994. Choose the correctly spelt word:
43995. The distances AC and BC are measured from two fixed points A and B whose distance AB is known. The point C is plotted by intersection. This method is generally adopted in
43996. In a precision traverse, included angles are measured by setting the vernier
43997. If Δ is the angle of deflection of a simple curve of radius R, the length of the curve is :
43998. If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum perpendicular offset for the transition curve, is
43999. An imaginary line lying throughout on the surface of the earth and preserving a constant inclination to the horizontal, is called
44000. An angles of 45° with a chain line may be set out with
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