Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.64 sq km 0.50 sq km 0.60 sq km 0.56 sq km 0.64 sq km 0.50 sq km 0.60 sq km 0.56 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying In a spherical triangle ABC, right angled at C, sin b equals cot A tan a cos a sin A sin a cos A tan a cot A cot A tan a cos a sin A sin a cos A tan a cot A ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle between the observer's meridian and declination circle of a heavenly body, is known as Right ascension Azimuth Hour angle Declination Right ascension Azimuth Hour angle Declination ANSWER DOWNLOAD EXAMIANS APP
Surveying If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be 2 cm 4 cm 3 cm 1 cm 2 cm 4 cm 3 cm 1 cm ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle of intersection of the two plane mirrors of an optical square is 30° 45° 60° 90° 30° 45° 60° 90° 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 25 m 75 m 50 m 7.5 m 25 m 75 m 50 m 7.5 m ANSWER DOWNLOAD EXAMIANS APP