Lineman Apprentice Test Questions and Correct Answers the Latest Update and Recommended Version
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Course
Lineman Apprentice
Institution
Lineman Apprentice
The difference in a 3 wire & 4 wire distribution circuit is?
→ the Neutral wire
What is the formula for power
→ P=VxI
Transmission voltage is generally _________ to _________.
→ 138,000 to 765,000 volts
If the diameter of the pole to be set is 10", the diameter of the hole should be ___...
Lineman Apprentice Test Questions and
Correct Answers the Latest Update and
Recommended Version
The difference in a 3 wire & 4 wire distribution circuit is?
→ the Neutral wire
What is the formula for power
→ P=VxI
Transmission voltage is generally _________ to _________.
→ 138,000 to 765,000 volts
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
What are the component parts of a distribution system?
→ Distribution Substation, feeder circuits, switches, protective equipment, primary circuits,
distribution transformers, secondaries, services.
An advantage of a Wye Primary system over a Delta primary system is?
→ Increased power carrying capacity, better voltage regulation
The total flow of current from a generating plant may be as large as __________ amps.
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'
When splicing Transmission conductors/wires, how far out should a conductor be laid in each
direction before splicing?
→ 40 ft from joining point
During CPR, do chest compressions circulate the same amount of blood as the heart does
normally?
→ Under best conditions, only 1/3 of normal flow is accomplished.
A _____ ft mast arm is used in alleys, a ________ ft mast arm is used in residential areas w/
streets less than 40 ft wide, a _____ ft is used where streets are more than 40 ft wide and in
industrial/ commercial areas?
→ 3 ft alleys
→ 6 ft residential <40 ft
→ 12 ft industrial >40 ft
What does MOV stand for?
→ Metal Oxide Varistor
DC Transmission was initiated in ______ during the year _______
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