Surveying
Transit rule of adjusting the consecutive coordinates of a traverse is used where

angular measurements are more accurate than linear measurements
All of these
linear and angular measurements of the traverse are of equal accuracy
linear measurements are more accurate than angular measurements

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Surveying
For mapping any country

Secondary triangles are further broken into third and fourth order triangles, the points of which are used for detail surveys
Geodetic triangulation of greatest possible sides and accuracy is carried out
Primary triangles are broken down into secondary triangles of somewhat lesser accuracy
All listed here

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Surveying
If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a levelThe correct answer is

both (ii) and (iii)
both (i) and (iv)
only (iii)
only (i)

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Surveying
Normal tension is that pull which

makes the correction due to sag equal to zero
is used at the time of standardising the tape
neutralizes the effect due to pull and sag
makes the correction due to pull equal to zero

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