2. A 30-m tape weighs 12 g/m and has a cross section of 0.020 cm2. It measures correctly when supported throughout under a tension of 8.5 kg and at a temperature of 20°C. When used in the field, the tape is supported at its ends only, under a tension of 8.5 kg. The temperature is 13.5 °C. What is the distance between the 0- and 30-m

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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1. A steel tape have a standardized length of 30.00m, with 5 kg tension, at 30 °C, and
supported throughout, was used to measure a distance over smooth, level terrain and
supported throughout under 9 kg of tension and at an average recorded temperature of
22°C. The recorded distance was 915.258m. Determine the correct horizontal
distance. The weight of the tape is 0.60 kg. Assume coefficient of thermal expansion
equal to 0.0000116/°C and E = 2.1 x 106 kg/cm?. Assume the unit weight of the tape
is 3.8 x 103 kg/m³.
2. A 30-m tape weighs 12 g/m and has a cross section of 0.020 cm2. It measures
correctly when supported throughout under a tension of 8.5 kg and at a temperature of
20°C. When used in the field, the tape is supported at its ends only, under a tension of
8.5kg. The temperature is 13.5 °C. What is the distance between the 0- and 30-m
Transcribed Image Text:1. A steel tape have a standardized length of 30.00m, with 5 kg tension, at 30 °C, and supported throughout, was used to measure a distance over smooth, level terrain and supported throughout under 9 kg of tension and at an average recorded temperature of 22°C. The recorded distance was 915.258m. Determine the correct horizontal distance. The weight of the tape is 0.60 kg. Assume coefficient of thermal expansion equal to 0.0000116/°C and E = 2.1 x 106 kg/cm?. Assume the unit weight of the tape is 3.8 x 103 kg/m³. 2. A 30-m tape weighs 12 g/m and has a cross section of 0.020 cm2. It measures correctly when supported throughout under a tension of 8.5 kg and at a temperature of 20°C. When used in the field, the tape is supported at its ends only, under a tension of 8.5kg. The temperature is 13.5 °C. What is the distance between the 0- and 30-m
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