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Question: A surveyor's steel measuring tape is exactly 100 ft long at 60°F when subjected to a pull of 10 lb. Determine the correction to be made in reading the tape if it is used at 100°F under a pull of 20 lb. The tape is 4rr in thick and I in wide. Express the correction in inches per foot of length and indicate whether it is added to or subtracted from the reading.

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