Q281
Open questionIn Quadrantal system back bearing of a line may be obtained from its forward bearing by . . . . . . . .
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Q282
Open questionThe most important line in the chain survey on which the triangular frame work of survey is built is called . . . . . . . .
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Q283
Open questionPresamatic compass used in
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Q284
Open questionIn the absence of compass one of the following instrument can be used to set a line at 45°.
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Q285
Open questionAn example of natural error in prismatic compass survey is . . . . . . . .
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Q286
Open questionIn a topographical survey we determine . . . . . . . .
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Q287
Open questionDetermine the airplane flying height to obtain the average scale of the photograph equal 1/5000. Ground surface elevations vary from 150 to 300m. Focal length of the camera lens is 150 mm.
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Q288
Open questionThe bearing of a line AB is 283° 15' and the bearing of another line AC is 5° 45', the included angle is . . . . . . . .
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Q289
Open questionWhen the presmatic compass is transported from one station to another the object vane is folded on the glass cover in order to . . . . . . . .
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Q290
Open questionThe accuracy of ordinary levelling for subsidance measurement is . . . . . . . .
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Q291
Open questionAveraging of result of face left and face right readings correct, which of the following error.
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Q292
Open questionThe degree of accuracy in chain survey under average condition is . . . . . . . .
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Q293
Open questionPedometer is sometimes used in . . . . . . . .
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Q294
Open questionSimplest way of setting but a right angle with only a chain is by the rule . . . . . . . .
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Q295
Open questionThe disc of the prismatic compass is graduated in . . . . . . . .
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Q296
Open questionIdentify the correct form of cos rule . . . . . . . .
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Q297
Open questionThe Backward bearing for forward bearing of 31° 36' W is
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Q298
Open questionThe permanent adjustments of level . . . . . . . .
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Q299
Open questionThe mean sea level at . . . . . . . . is taken as datum by survey of India department for establishing Bench Marks.
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Q300
Open questionIn chain survey the tie line is primariy provided to . . . . . . . .
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