Dip of a magnetic needle at the equator is:
A180°
B90°
C60°
D0°
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Measuring with a 30 m chain,20 mm too short, introduces:
Cumulative errors are proportional to:
In prismatic compass, the 360° or 0° of the graduation is marked at the .................... end of the graduated circle:
Contour lines cross ridge lines or valley lines are at:
An angle measured clock wise from the proceeding survey the following survey line is called