Journeyman Lineman Exam Questions with 100% Correct Answers

What fahrenheit tempature would a transformer have to be 55% centigrade above ambrient of 98* F? Correct Answer 55x1.8=99 + 32 = 131*F 131 + 98= 229* A conductor is pulled to what tension? Correct Answer 50% To dead end three 2/0 HD conductors which have a breaking strength of 5,927 lbs each A. How many B. What size C. What lead should the down guys have? Correct Answer A. 2 B. 3/8" steel C. 1-1 leads Pole steps should be spaced what distance apart? Correct Answer 18" At what angle does a lifting sling have the same weight stress as the load being lifted? Correct Answer 30* At what angle is the weight stress reduced approximately 1/2 of the load being lifted? Correct Answer 60* How do you tell how much pull will be needed to lift a known weight with a double to double block and tackle? Correct Answer Divide the weight by the number of running lines over moveable sheaves. 1000/4=250 or 25% per line. Can transformers of different polarity be parallel? How do you test polarity? Correct Answer Yes H1. H2 / VM X1. X2 Make drawings of 3 single phase transformers connected delta wye. Correct Answer Draw If a guy lead has a ratio of 1 to 1 on a 50 ft pole, what is the guy lead distance? Correct Answer 50 ft A. Define load factor.