A 50 m tape is held 2 m out of line. What is the true length?
A 50 m tape is held 2 m out of line. What is the true length?
Right Answer is:
49.96 m
SOLUTION
Correction of misalignment /slope is given as
C = −h2/2l
where
h = difference in elevations
L = measured length (in m)
C = −22/2 × 50 = −0.04
∴ True length = 50 – 0.04 = 49.96 m