Surveying If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be 1 cm 2 cm 3 cm 4 cm 1 cm 2 cm 3 cm 4 cm ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction applied to the measured base of length ‘L’ is All of these Tension = (P - Ps)L/AE Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Sag = L³w²/24P² where w is the weight of tape/m All of these Tension = (P - Ps)L/AE Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Sag = L³w²/24P² where w is the weight of tape/m ANSWER DOWNLOAD EXAMIANS APP
Surveying If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is 20° 30° 40° 10° 20° 30° 40° 10° ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method of levelling provides a complete check on foresight All of these backsight intermediate sight foresight All of these backsight intermediate sight ANSWER DOWNLOAD EXAMIANS APP
Surveying An aerial photograph may be assumed as Parallel projection None of these Orthogonal projection Central projection Parallel projection None of these Orthogonal projection Central projection ANSWER DOWNLOAD EXAMIANS APP
Surveying Contour interval is Larger if the time available is more Larger for accurate works Directly proportional to the flatness of ground Inversely proportional to the scale of the map Larger if the time available is more Larger for accurate works Directly proportional to the flatness of ground Inversely proportional to the scale of the map ANSWER DOWNLOAD EXAMIANS APP
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