1. When the magnetic bearing of the sun at noon is 185° 20', the magnetic declination will be ?

5° 20' west

5° 20' east

5° 20' south

5° 20' north

Answer: 5° 20' west

Explanation:


2. The magnetic bearing of a line is 55° 30' and the magnetic declination is 4° 30' west. The true bearing of a line will be ?

34°

30?

51?

49?

Answer: 51?

Explanation:


3. The shift of a curve is equal to ?

L/6R

L²/24R

L/24R

L²/6R

Answer: L²/24R

Explanation:


4. At the magnetic poles, the amount of dip is ?

0?

45?

60°

90?

Answer: 90?

Explanation: