Surveying The rise and fall method of levelling provides a complete check on backsight foresight All of these intermediate sight backsight foresight All of these intermediate sight ANSWER DOWNLOAD EXAMIANS APP
Surveying α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is h tan α/S h (tan α + tan β)/S h tan β/S h (tan α - tan β)/S h tan α/S h (tan α + tan β)/S h tan β/S h (tan α - tan β)/S ANSWER DOWNLOAD EXAMIANS APP
Surveying The horizontal angle between the true meridian and magnetic meridian at a place is called local attraction declination azimuth magnetic bearing local attraction declination azimuth magnetic bearing ANSWER DOWNLOAD EXAMIANS APP
Surveying If the distance between the projectors is altered by a movement along X-axis of one projector, The length of the air base is increased All listed here The scale of the model is altered y-parallax is not affected The length of the air base is increased All listed here The scale of the model is altered y-parallax is not affected ANSWER DOWNLOAD EXAMIANS APP
Surveying Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year Once Twice Four times Thrice Once Twice Four times Thrice ANSWER DOWNLOAD EXAMIANS APP
Surveying Accidental errors All of these Are generally small Cannot be removed by applying corrections to the observed values Do not follow any definite mathematical law All of these Are generally small Cannot be removed by applying corrections to the observed values Do not follow any definite mathematical law ANSWER DOWNLOAD EXAMIANS APP
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