Surveying
Right ascension of a heavenly body is its equatorial angular distance measured

Eastward from the first point of Aeries
Westward from the first point of Libra
Westward from the first point of Aeries
Eastward from the first point of Libra

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Contour interval is

Inversely proportional to the scale of the map
Larger if the time available is more
Larger for accurate works
Directly proportional to the flatness of ground

ANSWER DOWNLOAD EXAMIANS APP