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Lineman Apprentice Test Questions and Answers 2024.
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Lineman Apprentice Test Questions and Answers 2024.
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Lineman Apprentice Test Questions and Answers 20241. The difference in a 3 wire & 4 wire distribution circuit is?:✓✓✓ the Neutral
wire
2. What is the formula for power: ✓✓✓ P=VxI
3. Transmission voltage is generally to .: ✓✓✓
138,000 to765,000 volts
4. If the diameter of the pole to be set is 10", the diameter of the hole should
be to allow sufficient room for tamping.: ✓✓✓ 16", 3" on each side of
the pole
5. What are the component parts of a distribution system?: ✓✓✓ Distribution
Sub- station, feeder circuits, switches, protective equipment, primary circuits,
distributiontransformers, secondaries, services.
6. An advantage of a Wye Primary system over a Delta primary system is?:
✓✓✓ In-creased power carrying capacity, better voltage regulation
7. The total flow of current from a generating plant may be as large as
amps.: ✓✓✓ 20,000
8. How many Amps does a 120 volt, 60 watt incandescent bulb draw?: ✓✓✓ .5
,amps,P=IxE I=P/E 60/120=.5
9. Thury system was generators connected in to transmit
amps at max voltage of volts?: Series, 150 amps, 27,000 volts
10. An aluminum wire must be times as big as copper is a cross
section to have the same conductivity.: 1.66 (this means that aluminum is only
2/3 as conductive as copper)
11. Slices should not be installed ft from a tie wire or armor rod.: 1
ft (12")
12. Bolted connections may be used when?: If the wires to be connected are not
under tension
13. When splicing distribution wires, how far should the line be laid out
straight before splicing?: 10 ft
14. The head of a hydraulic operated tool weighs approximately
lbs.: 15 lbs (tools operate w/ a pressure of 10,000 psi)
15. In the process of right of way clearing, trees and brush should receive
a basil spray treatment not less than weeks before cutting to prevent
regrowth.: 2 weeks
16. A light should be located from to ft over the surface of a
road, less than 40' wide and from to ft on roads more than 40'
, wide.: 0-6 ft less than 40'
6-12 ft over 40'
17. When splicing Transmission conductors/wires, how far out should a con-
ductor be laid in each direction before splicing?: 40 ft from joining point
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