Surveying If v, t and f/H are the ground speed of the aircraft, the shutter speed of the camera and the scale of the photograph respectively, then the amount of image displacement i = v. t. H/f i = v. f/t. H i = v. t. (f/H) i = t. H/v. f i = v. t. H/f i = v. f/t. H i = v. t. (f/H) i = t. H/v. f ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be f cos θ f tan θ f sin θ f sec θ f cos θ f tan θ f sin θ f sec θ ANSWER DOWNLOAD EXAMIANS APP
Surveying If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to 1/d 1/d2 d d2 1/d 1/d2 d d2 ANSWER DOWNLOAD EXAMIANS APP
Surveying At the first point of Aeries, the sun moves Southward From north to south of the equator Northward From south to north of the equator Southward From north to south of the equator Northward From south to north of the equator ANSWER DOWNLOAD EXAMIANS APP
Surveying After fixing the plane table to the tripod, the main operations which are needed at each plane table station are(i) Levelling(ii) Orientation(iii) CenteringThe correct sequence of these operations is (iii), (i), (ii) (i), (ii), (iii) (i), (iii), (ii) (ii), (iii), (i) (iii), (i), (ii) (i), (ii), (iii) (i), (iii), (ii) (ii), (iii), (i) ANSWER DOWNLOAD EXAMIANS APP
Surveying If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is 50 m 75 m 7.5 m 25 m 50 m 75 m 7.5 m 25 m ANSWER DOWNLOAD EXAMIANS APP