Q. Determining the difference in elevation between two points on the surface of the earth, is known as

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Q. In geodetic surveys higher accuracy is achieved, if

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Q. If Δ is the angle of deflection of a simple curve of radius R, the length of its long chord, is

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Q. Pick up the correct statement from the following :

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Q. A transit is oriented by setting its vernier A to read the back azimuth of the preceding line. A back sight on the preceding transit station taken and transit is rotated about its vertical axis. The vernier A reads

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Q. The bearing of line AB is 152° 30' and angle ABC measured clockwise is 124° 28'. The bearing of BC is

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Q. The representation of general topography of a very flat terrain is possible only

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Q. The lens equation 1/f = 1/f1 + 1/f2 is applicable

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Q. The surface of zero elevation around the earth, which is slightly irregular and curved, is known as

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Q. If the whole circle bearing of a line is 270°, its reduced bearing is

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Q. For taking offsets with an optical square on the right hand side of the chain line, it is held

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Q. A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m and 284.295 m respectively, the collimation error per 100 m is

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Q. If the declination of the needle is 10° W

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Q. The method generally preferred to for contouring an undulating area, is

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Q. The 10 mm markings on a levelling staff placed at 20 m are separated by

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Q. Pick up the correct statement from the following :

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Q. If 50 m point of a 100 m tape is 50 cm off line, and 50 m sections are straight, an error is generated equal to

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Q. Resolving power of a telescope depends on

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Q. The properties of autogenous curve for automobiles are given by

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Q. The bearing of lines OA and OB are 16° 10' and 332° 18', the value of the included angle BOA is

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