A steel tape is standardized at 68°F under a tension of 15 lb when supported throughout its entire length, and the distance between the zero mark and the 100-ft mark is 99.98 ft. The tape weighs 0.013 lb/ft and a cross-sectional area of 0.0040 ??2 . In the field this tape is used under a 15-lb tension and is supported at the ends only, and the temperature of the tape is recorded as 88°F throughout the measurement. A series of distances are recorded as 100.00, 100.00, 100.00 and 57.22 ft. What is the total actual or true distance after corrections for systematic errors have been applied?
A steel tape is standardized at 68°F under a tension of 15 lb when supported throughout its entire length, and the distance between the zero mark and the 100-ft mark is 99.98 ft. The tape weighs 0.013 lb/ft and a cross-sectional area of 0.0040 ??2 . In the field this tape is used under a 15-lb tension and is supported at the ends only, and the temperature of the tape is recorded as 88°F throughout the measurement. A series of distances are recorded as 100.00, 100.00, 100.00 and 57.22 ft. What is the total actual or true distance after corrections for systematic errors have been applied?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A steel tape is standardized at 68°F under a tension of 15 lb when supported
throughout its entire length, and the distance between the zero mark and the 100-ft
mark is 99.98 ft. The tape weighs 0.013 lb/ft and a cross-sectional area of 0.0040 ??2
.
In the field this tape is used under a 15-lb tension and is supported at the ends only,
and the temperature of the tape is recorded as 88°F throughout the measurement. A
series of distances are recorded as 100.00, 100.00, 100.00 and 57.22 ft. What is the
total actual or true distance after corrections for systematic errors have been applied?
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