Surveying - Engineering
Q1: The main principle of surveying is to workA
from part to the whole
B
from whole to the part
C
from higher level to the lower level
D
from lower level to higher level.
ANS:B - from whole to the part To prevent the accumulation error. For example if we are going to draw a straight line using chain surveying whose length is more than four chainages (4*30m), by adopting part to whole, the small distraction in first chainage leads to a great error by reaching the final point. Hence by adopting whole to part we can reduce such errors.
According to whole to part principle whole area enclosed by main survey line & station. Then area divided into well conditioned triangles. |
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