Q181
Open questionA plane through a point is plane tagentid to level surface at that point called
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Mining Engineering · all questionsMine Surveying
Mine Surveying
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Q182
Open questionThe variation caused by the oscillation of magnetic needle due to magnetic storms called . . . . . . . .
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Q183
Open questionIn which the instrument the telescope has small motion about horizontal axis . . . . . . . .
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Q184
Open questionA rod painted alternately red and white and used for marking stations called
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Q185
Open questionWhat is the hypotenusal allowance for a chain of length 30m while chaining on slop of ? . . . . . . . .
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Q186
Open questionThe principle of reversal for level and theodolite is . . . . . . . .
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Q187
Open questionIn prismatic compass this carries magnetic needle . . . . . . . .
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Q188
Open questionThe basic principle automatic level is that entering . . . . . . . . always passes through the cross hairs even though the telescope is inclined slightly.
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Q189
Open questionFor checking closed traverse the algebric sum of all latitudes should be equal to
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Q190
Open questionIt is the imaginary line tangential to the longitudinal curve of the tube at the middle point called . . . . . . . .
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Q191
Open questionTwo points A and B were 1000 m apart across a river. the following readings were taken with one level:
The error in the collimation adjustment of the level was + 0.002m per 100m. Determine the correction for refraction.
| Level near station | Reading on | |
|---|---|---|
| A | B | |
| A | 1.5 | 2.8 |
| B | 1.4 | 2.6 |
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Q192
Open questionThe line obtained on the earth's surface by intersection of an imaginery plane passing through the geographical north and sourth poles and the point of observation is . . . . . . . .
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Q193
Open questionA is the compass station, bearing AE is 210° 30' and bearing AB is 132° 30'. Then angle A is equal to . . . . . . . .
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Q194
Open questionThe area enclosed between the boundary lines of the sketch by average ordinate rule . . . . . . . .
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Q195
Open questionA triangle in triangulation survey is said to be well conditioned, when ti contain no angle smeller than . . . . . . . . degrees and no angle greater than . . . . . . . . degrees.
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Q196
Open questionBy levelling of prismatic compass, we mean . . . . . . . .
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Q197
Open questionThe distance measured parallel to the meridian called . . . . . . . .
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Q198
Open questionThe latitude of a traverse leg is obtained by multipling its length by . . . . . . . .
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Q199
Open questionFor setting up the theodolite, the legs of tripod should be spread, so that they make an angle of about . . . . . . . . degrees with the horizontal.
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Q200
Open questionA tape of length 1 and weight 10 kg/m is suspended at its ends with a pull of p kg, the sag correction is . . . . . . . .
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