Question
Water Resources Engineering Question on Lined and unlined canals
Offsets are
A
Lateral meaurements made with respect to main survey lines
B
Perpendicular erected from chain lines
C
Taken to avoid unnecessary walking between stations
D
Measurements which are not made at right angles to the chain line
Answer
Perpendicular erected from chain lines
Explanation
Solution
The correct option is(B): Perpendicular erected from chain lines