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LINEMAN APPRENTICE ADVANCE RIGGING EXAM QUESTIONS & ANSWERS
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1 - 1 Choose the correct answer to complete the following sentence. The weight exerted by a ______ force load will vary according to different conditions. a) static b) dynamic c) fixed - Correct Answers - b) dynamic 1 - 2 True or False. A transformer is an example of a dynamic force load. - Correct Answers - False 1 - 3 Circle the correct answer. (Span A & B are 300 ft) Approximately how many feet of conductor is supported by the insulator at the top of pole 2? a) 600 feet b) 477 feet c) 300 feet d) 150 feet - Correct Answers - c) 300 feet 1 - 4 Circle the correct answer. (Span A & B are 300 ft) If the conductor weighs .655 pounds per foot, what is the weight exerted by the conductor on the insulator at the top of pole 2? a) Approximately 150 pounds b) Approximately 197 pounds c) Approximately 300 pounds d) Approximately 655 pounds - Correct Answers - b) Approximately 197 pounds 2 - 4 Circle the correct answer. In the illustration that follows, what is the total tension exerted along the bisect line if the conductor weighs .655 pounds per foot, both spans are 250 feet long with a sag of 6 feet, and of the bisect line, P-T, is 61 feet? a) Approximately 1,040 pounds b) Approximately 853 pounds c) Approximately 520 pounds
d) Approximately 61 pounds - Correct Answers - d) Approximately 61 pounds 2 - 5 True or False. Bisect tension can only be determined for a corner pole that has conductor spans of equal length on either side. - Correct Answers - False 3 - 1 Circle the correct answer. (line length B-C is 67.5 feet) What is the length of line AC? a) 25 feet b) 33.75 feet c) 50 feet d) 67.5 feet - Correct Answers - c) 50 feet 1 - 5 True or False. A pole is an example of a static force load. - Correct Answers - True. 2 - 1 Circle the correct answer. (3 poles, span A & B are even) What is the line tension in span A if the conductor weighs .655 pounds per foot, the span lengths is 300 feet, and the sag is 6 feet? a) Approximately 196 pounds b) Approximately 393 pounds c) Approximately 655 pounds d) Approximately 1,228 pounds - Correct Answers - d) Approximately 1,228 pounds 2 - 2 True or False. (3 poles, span A & B are even) The line tension in span B is the same as the line tension in span A. - Correct Answers - True 2 - 3 Circle the correct answer that completes the following sentence. The pulling force of a conductor as it tends to pull a pole or structure in line with adjacent poles or structures is called ______ tension. a) bisect b) line c) strain d) tangent - Correct Answers - a) bisect 3 - 2 Circle the correct answer. (line length B-C is 67.5 feet) What is the approximate line angle? a) 50 degrees b) 67.5 degrees
If the conductor weight is .290 pounds per foot, what is the conductor weight exerted on the insulator on pole 2? a) .290 pounds b) 87 pounds c) 250 pounds d) 200 pounds - Correct Answers - b) 87 pounds 4 - 4 Circle the correct answer. (4/0 ASCR conductor, span A & B are 300 feet each, 6 ft sag, 3 poles) What is the weight exerted by the conductor when it has been lifted to the maximum height permissible? a) 500 pounds b) 400 pounds c) 174 pounds d) 87 pounds - Correct Answers - c) 174 pounds 4 - 5 Circle the correct answer. (4/0 ASCR conductor, span A & B are 300 feet each, 6 ft sag, 3 poles) The line tension exerted by the conductor is ______ pounds (rounded off). a) 1.9 pounds b) 1,875 pounds c) 853 pounds d) 544 pounds - Correct Answers - d) 544 pounds 4 - 6 Circle the correct answer. How much guy tension is required for a guy wire to offset 190 pounds of bisect tension if the guy wire is 60 feet long and is connected to an anchor that is 40 feet away from the base of a pole? a) 11,400 pounds b) 285 pounds c) 127 pounds d) 456 pounds - Correct Answers - b) 285 pounds 4 - 7 Circle the correct answer. In order to establish a safety factor of 5, what should be the minimum capacity of the rigging used to lift a conductor that can exert a maximum downward force of 140 pounds? a) 140 pounds b) 145 pounds c) 280 pounds d) 700 pounds - Correct Answers - d) 700 pounds