Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by None of these cos z = sec φ . cos δ sin z = sec φ . cos δ tan z = sec φ . cos δ None of these cos z = sec φ . cos δ sin z = sec φ . cos δ tan z = sec φ . cos δ ANSWER DOWNLOAD EXAMIANS APP
Surveying Longitudes are measured from 0° to 180° westward 360° eastward 180° east or westward 180° eastward 180° westward 360° eastward 180° east or westward 180° eastward ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following is not used in measuring perpendicular offsets ? optical square line ranger cross staff steel tape optical square line ranger cross staff steel tape ANSWER DOWNLOAD EXAMIANS APP
Surveying If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about 25 km 30 km 10 km 50 km 25 km 30 km 10 km 50 km 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 2 m 1 m 4 m 3 m 2 m 1 m 4 m 3 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The following sights are taken on a “turning point” foresight only foresight and backsight foresight and intermediate sight foresight only foresight only foresight and backsight foresight and intermediate sight foresight only ANSWER DOWNLOAD EXAMIANS APP