Journeyman lineman exam 2023 with 100% correct answers
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Course
Journeyman lineman
Institution
Journeyman Lineman
What fahrenheit tempature would a transformer have to be 55% centigrade above ambrient of 98* F? correct answers55x1.8=99 + 32 = 131*F
131 + 98= 229*
A conductor is pulled to what tension? correct answers50%
To dead end three 2/0 HD conductors which have a breaking strength of 5,927 lbs each...
Journeyman lineman
What fahrenheit tempature would a transformer have to be 55% centigrade above ambrient of 98* F? correct answers55x1.8=99 + 32 = 131*F
131 + 98= 229*
A conductor is pulled to what tension? correct answers50%
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 answersA. 2
B. 3/8" steel
C. 1-1 leads
Pole steps should be spaced what distance apart? correct answers18"
At what angle does a lifting sling have the same weight stress as the load being lifted? correct answers30*
At what angle is the weight stress reduced approximately 1/2 of the load being lifted? correct answers60*
How do you tell how much pull will be needed to lift a known weight with a double to double block and tackle? correct answersDivide 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 answersYes H1. H2 /
VM \ X1. X2
Make drawings of 3 single phase transformers connected delta wye. correct answersDraw
If a guy lead has a ratio of 1 to 1 on a 50 ft pole, what is the guy lead distance? correct answers50 ft
A. Define load factor. B. Define KVA
C. Define KW correct answersA. Ratio of average load to peak load
B. Apparant power
Amps x volts/1000
C. True power
Amps x volts xPF/1000
Should a foreman be a boss or a leader?
If you don't understand a job, should it be discussed with the crew members? correct answersLeader
Yes/ a foreman
How much safety factor should you consider in deciding what chains or rope to handle a certain load? correct answers2 to 1 when new
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