In presmatic compass, which enables the oscillations of the needle to be damped . . . . . . . .
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Mining Engineering · all questionsMine Surveying
Mine Surveying
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In survey work, the position of a point is determined with reference to . . . . . . . .
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An engineering survey conducted for determining the fesiability of work is known as . . . . . . . .
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If the survey lines in a traverse done by compass survey are to be now retraced on the ground, then it is necessary to know the following on the date the survey was performed.
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Electronic theodolite also called as . . . . . . . .
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A line used to find out the accuracy of chain survey is called . . . . . . . .
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The most probable value arid the probable error of the area of a rectangle whose sides are 50 ± 0.04 m and 150 ± 0.06 m
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While ranging, if right arm is extended to the right side it means . . . . . . . .
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If the chain is too long, the measured length of the line.
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The line joining the optical centre of the object glassto the centre of the eye piece called . . . . . . . .
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Nautical mile is expressed as . . . . . . . .
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The length of the sides of triangle are as follows: a = 6m, b = 8m, c = 10m then the angle c is equal . . . . . . . .
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The lines passing through points at which the declination is zero are called
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The branch of surveying in which both horizontal and vertical positives of a point are determined by making instrumental observations is known . . . . . . . .
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The total length of curve from point of curve to point of tangency called . . . . . . . .
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When the scale is 100mm to a meter, the RF is . . . . . . . .
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9 parts of the main scale division coinside with 10 parts of the vernier. The least count of vernier is . . . . . . . .
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The survey used for exploration of mineral wealth is . . . . . . . .
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The magnetic bearing of a line AB is 132° 45'. What is the true bearing, if magnetic declination is 5° 30' east.
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Q100
Open questionO1, O2 and O3 are three consequetive offsets at common distance apart. The area of strip by Simpson's rule is . . . . . . . .
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