The BB of line AB is 195° and the angle BAC is 150° measured in clockwise direction. The BB of line AC is . . . . . . . .
A. 345°
B. 35°
C. 135°
D. 165°
Answer: Option D
This Question Belongs to Mining Engineering >> Mine Surveying
Join The Discussion
Comments ( 1 )
Related Questions on Mine Surveying
The stations choosed by main survey lines called . . . . . . . .
A. Temporary stations
B. Main stations
C. Subsidary station
D. None
The 90° corners of a building are set out on the ground by, easily . . . . . . . .
A. Cross staff
B. Mason's square
C. Theodolite
D. Optical square
The arithmetical check for levelling is . . . . . . . .
A. $$\sum {BS} + \sum {FS = {\text{First RL + Last RL}}} $$
B. $$\sum {FS} - \sum {BS} = {\text{Last RL + First RL}}$$
C. $$\sum {BS} - \sum {FS} = {\text{Last RL}} - {\text{ First RL}}$$
D. All
back Bearing : 345
fore bearing : 165