Civil Engineering > GATE 2021 SET-1 > Surveying
Which of the following is/are correct statement(s)?
A
Back Bearing of a line is equal to Fore Bearing ±180°.
B
If the whole circle bearing of a line is 270°, its reduced bearing is 90° NW.
C
The boundary of water of a calm water pond will represent contour line.
D
In the case of fixed hair stadia tachometry, the staff intercept will be larger, when the staff is held nearer to the observation point.

Correct : a; b; c

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