Q261
Open questionIt is said to be the dip when the north end of a freely floating and properly balanced magnetic needle is . . . . . . . .
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Mining Engineering · all questionsMine Surveying
Mine Surveying
practice.
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411
Questions
14/21
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Q262
Open questionA rod used to measure from a line to locate a point is called . . . . . . . .
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Q263
Open questionThe basis for trigonometric survey is . . . . . . . .
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Q264
Open questionA 400 Sq.m area is responded by 400 sq.mm on plan. The scale of the plan is
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Q265
Open questionBuildings are set on the ground by . . . . . . . .
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Q266
Open questionThe variations produced by the oscillation of a magnetic needle from its mean position during the day . . . . . . . .
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Q267
Open questionThe tacheometric surveying is adopted in . . . . . . . . terrain.
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Q268
Open questionThe closing error in plotting closed traverse survey is . . . . . . . .
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Q269
Open questionThe F.B of a line AB is 145° and that of BC is 58° the angle ABC.
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Q270
Open questionThe accuracy of measurement for determing the depth of vertical shaft would be
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Q271
Open questionPlanimeter invented by prof. . . . . . . . .
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Q272
Open questionIf the angular measurements of a traverse are more precise than linear measurements, balancing of the traverse is done by . . . . . . . .
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Q273
Open questionNational Grid is a system of rectangular co-ordinates used by this agency and base upon the tranverse mercator projection.
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Q274
Open questionThe drawing of an irregular area is covered by 2080 mm2, scale of the drawing is 1mm = 1m. The actual field area is . . . . . . . .
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Q275
Open questionDiopter is the power of a lens having focal length of . . . . . . . .
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Q276
Open questionIn a closed traverse ABCDEA the sum of the exterior angles equal to . . . . . . . .
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Q277
Open questionThe bearings observed with the prismatic compass are known as
. . . . . . . .
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Q278
Open questionThe staff reading taken on a point of unknown elevation from the same setup of the level.
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Q279
Open questionThe operation of aligning a line between two stations not intervisible called . . . . . . . .
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Q280
Open questionThe most commonly used instrument for measuring the angles of slopes in chain survey is . . . . . . . .
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