Surveying
Longitudes are measured from 0° to

180° east or westward
180° westward
360° eastward
180° eastward

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

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Surveying
Sidereal day

Is slightly shorter than an ordinary solar day
Is the period of time taken by the earth in making a complete rotation with reference to stars
Is divided into the conventional hours, minutes and seconds
All listed here

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Surveying
Bowditch rule is applied to

an open traverse for graphical adjustment
None of these
a closed traverse for adjustment of closing error
determine the effect of local attraction

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