Surveying
Pick up the incorrect statement from the following. The angular distance of heavenly bodies on observer's meridian measured from the pole, is

Co-declination
Polar distance
Co-altitude
Co-latitude

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Surveying
Dumpy level is most suitable when

many readings are to be taken from a single setting of the instrument
All of these
fly levelling is being done over long distance
the instrument is to be shifted frequently

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Surveying
Bowditch rule is applied to

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

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