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 = t. H/v. f i = v. t. H/f i = v. t. (f/H) i = v. f/t. H i = t. H/v. f i = v. t. H/f i = v. t. (f/H) i = v. f/t. H ANSWER DOWNLOAD EXAMIANS APP
Surveying The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is 40° 80° 60° 70° 40° 80° 60° 70° ANSWER DOWNLOAD EXAMIANS APP
Surveying If θ and δ be the latitude of an observer and declination of a heavenly body respectively, the upper culmination of the body will be south of zenith if its zenith distance, is θ + δ ½ (θ - δ) δ - θ θ - δ θ + δ ½ (θ - δ) δ - θ θ - δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference between a level line and a horizontal line is that level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line both are same 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 level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line both are same 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 23 cm × 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents 4 m 2 m 1 m 3 m 4 m 2 m 1 m 3 m ANSWER DOWNLOAD EXAMIANS APP
Surveying A series of closely spaced contour lines represents a plane surface uniform slope steep slope gentle slope plane surface uniform slope steep slope gentle slope ANSWER DOWNLOAD EXAMIANS APP