What is the line tension of a 700-foot span of 795 kcmil conductor that sagged at 10 feet?

• A. 5,000 pounds
• B. 6,125 pounds
• C. 6,500 pounds
• D. 7,000 pounds

Answer: (B)

The line tension of a conductor can be calculated using a formula that accounts for the length of the span, the amount of sag, and the specific properties of the conductor. For a 700-foot span of 795 kcmil conductor sagging 10 feet, the tension can be determined through horizontal and vertical components, eventually leading to the calculation of the total tension in the line.

In this scenario, one would typically use specific engineering formulas based on the properties of the conductor and the physics of catenary curves or parabolic assumptions for relatively small sags. The factors taken into account include the weight of the conductor over the span and the effects of the sag on the overall tension.

The chosen answer reflects the proper application of the formulas and considerations involved in calculating the line tension under the given conditions. It suggests a solid understanding of electrical engineering principles related to overhead power lines, such as how sag affects the tension and how conductor specifications play a crucial role in these computations.

When solving similar problems, it’s important to validate the assumptions being made, confirm conductor properties, and apply the appropriate formulas correctly, which demonstrates a comprehensive grasp of practical applications in the field of line construction.