Surveying Pick up the correct statement for horizontal photographs. Parallel lines do not appear parallel in central projection The lines parallel to the negative plane are projected as parallel lines All listed here The two sides of a road meet at the vanishing point Parallel lines do not appear parallel in central projection The lines parallel to the negative plane are projected as parallel lines All listed here The two sides of a road meet at the vanishing point ANSWER DOWNLOAD EXAMIANS APP
Surveying ‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is H/f H. f f/H H + f H/f H. f f/H H + f ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following methods of offsets involves less measurement on the ground? method of ties method of perpendicular offsets method of oblique offsets all involve equal measurement on the ground method of ties method of perpendicular offsets method of oblique offsets all involve equal measurement on the ground ANSWER DOWNLOAD EXAMIANS APP
Surveying A ’level line’ is a line passing through the center of cross hairs and the center of eye piece horizontal line line passing through the objective lens and the eye-piece of a dumpy or tilting level line parallel to the mean spheriodal surface of earth line passing through the center of cross hairs and the center of eye piece horizontal line line passing through the objective lens and the eye-piece of a dumpy or tilting level line parallel to the mean spheriodal surface of earth ANSWER DOWNLOAD EXAMIANS APP
Surveying Normal tension is that pull which is used at the time of standardising the tape makes the correction due to sag equal to zero makes the correction due to pull equal to zero neutralizes the effect due to pull and sag is used at the time of standardising the tape makes the correction due to sag equal to zero makes the correction due to pull equal to zero neutralizes the effect due to pull and sag ANSWER DOWNLOAD EXAMIANS APP
Surveying Height of instrument method of levelling is quicker and less tedious for large number of intermediate sights less accurate than rise and fall method None of these more accurate than rise and fall method quicker and less tedious for large number of intermediate sights less accurate than rise and fall method None of these more accurate than rise and fall method ANSWER DOWNLOAD EXAMIANS APP
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