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 δ - θ ½ (θ - δ) θ - δ θ + δ δ - θ ½ (θ - δ) θ - δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is 1 : 20,000 1 : 30,000 1 : 15,000 1 : 10,000 1 : 20,000 1 : 30,000 1 : 15,000 1 : 10,000 ANSWER DOWNLOAD EXAMIANS APP
Surveying The horizontal angle between the true meridian and magnetic meridian at a place is called azimuth local attraction declination magnetic bearing azimuth local attraction declination magnetic bearing ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height ‘H’ is 100 m. If mean photo base is 95.2 mm, the flying height is 14,000 m 10,000 m 12,000 m 8,000 m 14,000 m 10,000 m 12,000 m 8,000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as Isocenter Principal point Plumb line Perspective centre Isocenter Principal point Plumb line Perspective centre ANSWER DOWNLOAD EXAMIANS APP
Surveying An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as contour interval contour line contour gradient horizontal equivalent contour interval contour line contour gradient horizontal equivalent ANSWER DOWNLOAD EXAMIANS APP