Mine Surveying - Study Mode

[#281] The most commonly used instrument for measuring the angles of slopes in chain survey is . . . . . . . .
Correct Answer

(C) Clinometer

[#282] When the whole circle bearing is between 180° and 270°, reduced bearing equal to . . . . . . . .
Correct Answer

(A) S [WCB - 180°] W

[#283] ∠DAB = 140° 10' bearing of AB = 60°. Then bearing of AD is equal to . . . . . . . .
Correct Answer

(B) 200° 10'

[#284] In prismatic compass, which enables very high or very low objects to be read
Correct Answer

(C) Reflecting mirror

[#285] Ball and socket joint in the presmatic compass stand is for . . . . . . . .
Correct Answer

(C) Quick levelling