The stations choosed by main survey lines called . . . . . . . .
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Mining Engineering · all questionsMine Surveying
Mine Surveying
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The drawing of an irregular area is covered by 42.2 squares of 200 mm side. If the side of the drawing is 10mm = 1m, the actual area of field . . . . . . . .
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The 90° corners of a building are set out on the ground by, easily . . . . . . . .
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The arithmetical check for levelling is . . . . . . . .
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The bearing of a line which is measured from North of South direction . . . . . . . .
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The angle between the vertical and fault plane is known as . . . . . . . .
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The arithematic sum of northings should be equal to arithematic sum of . . . . . . . .
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The bearing sof PQ and PR are S 20° 30' E and 24°W angle QPR is . . . . . . . .
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To locate a point with reference to a chain line the rninimum number of oblique measurements required is . . . . . . . .
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A fixed reference point of known elevation.
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The whole circle bearing of line is 120. The equivalent bearing expressed in the quadrantal system is . . . . . . . .
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In a traverse the F. B and B. B of a line AB do not differ by 180° while those of line Be differ by 180°. Local attraction took place at station or stations.
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Mid ordinate calculated by . . . . . . . .
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The magnetic bearing and declination of a line were recorded in the year 1906 as S 43°30' E and 2° E respectively. If the declination in the year 2006 is 3° W, the magnetic bearing of the line is
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The main scale plate in theodolite graduated from 0° - 360° . . . . . . . . direction.
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The main principle of survey is to work from . . . . . . . .
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The bearing of line AB is 152° 28' and the angle ABC is 124° 30'. What is the bearing of BC.
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The stadia hair system may be further divided in to . . . . . . . . types.
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Chaining across a high compound wall is a example for . . . . . . . .
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Various types of levelling instruemnts are . . . . . . . .
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