Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 6000 m 5000 m 7000 m 4000 m 6000 m 5000 m 7000 m 4000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference between a level line and a horizontal line is that horizontal line is normal to plumb line while level line may not be normal to the plumb line level line is a curved line while hori-zontal line is a straight 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 horizontal line is normal to plumb line while level line may not be normal to the plumb line level line is a curved line while hori-zontal line is a straight 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 ANSWER DOWNLOAD EXAMIANS APP
Surveying The great circle which passes through the zenith, nadir and the poles, is known as Prime vertical Vertical circle Meridian None of these Prime vertical Vertical circle Meridian None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the projection centre and the photograph, is called Principal line Isocentric distance Focal length Principal distance Principal line Isocentric distance Focal length Principal distance ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations? Measuring angle at one station and distance from other Measuring angle and distance from one transit station Measuring distance from two points on traverse line Measuring angles to the point from at least two stations Measuring angle at one station and distance from other Measuring angle and distance from one transit station Measuring distance from two points on traverse line Measuring angles to the point from at least two stations ANSWER DOWNLOAD EXAMIANS APP
Surveying The orthogonal projection of the perspective centre on a tilted photograph, is called Principal point Plumb point Isocenter Nadir Principal point Plumb point Isocenter Nadir ANSWER DOWNLOAD EXAMIANS APP
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