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1. |
If F is the pull applied at the ends of tape in kg, l is the length of tape between end marks in metres, w is the weight of the tape in kg per metre run, then sag correction |
A. | 30 (tan θ - 1) m |
B. | 30 (cot θ - 1) m. |
Answer» B. 30 (cot Œ∏ - 1) m. | |