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 4 cm 3 cm 1 cm 2 cm 4 cm 3 cm ANSWER DOWNLOAD EXAMIANS APP
Surveying The orthogonal projection of the perspective centre on a tilted photograph, is called Plumb point Nadir Isocenter Principal point Plumb point Nadir Isocenter Principal point ANSWER DOWNLOAD EXAMIANS APP
Surveying If S is the sum of three angles of a spherical triangle, the spherical excess equals ANSWER DOWNLOAD EXAMIANS APP
Surveying The smaller horizontal angle between the true meridian and a survey line, is known Azimuth Declination Bearing Dip Azimuth Declination Bearing Dip ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference between a level line and a horizontal line is that both are same level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line level line is a curved line while hori-zontal line is a straight line horizontal line is normal to plumb line while level line may not be normal to the plumb line both are same level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line level line is a curved line while hori-zontal line is a straight line horizontal line is normal to plumb line while level line may not be normal to the plumb line ANSWER DOWNLOAD EXAMIANS APP
Surveying Theodolite is an instrument used for measurement of horizontal angles only measurement of vertical angles only measurement of both horizontal and vertical angles tightening the capstan-headed nuts of level tube measurement of horizontal angles only measurement of vertical angles only measurement of both horizontal and vertical angles tightening the capstan-headed nuts of level tube ANSWER DOWNLOAD EXAMIANS APP
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