2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!
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.
→ 20,000
1|Page| GradeA+ | 2 0 0 2 5
,2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!
How many Amps does a 120 volt, 60 watt incandescent bulb draw?
→ .5 amps, P=IxE I=P/E 60/120=.5
Thury system was generators connected in ______ to transmit ________ amps at max voltage
of _______ volts?
→ Series, 150 amps, 27,000 volts
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)
Slices should not be installed ________ ft from a tie wire or armor rod.
→ 1 ft (12")
Bolted connections may be used when?
→ If the wires to be connected are not under tension
When splicing distribution wires, how far should the line be laid out straight before splicing?
→ 10 ft
The head of a hydraulic operated tool weighs approximately ________ lbs.
→ 15 lbs (tools operate w/ a pressure of 10,000 psi)
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.
1|Page| GradeA+ | 2 0 0 2 5
, 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!
→ 2 weeks
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 _______
1|Page| GradeA+ | 2 0 0 2 5
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.
→ 20,000
1|Page| GradeA+ | 2 0 0 2 5
,2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!
How many Amps does a 120 volt, 60 watt incandescent bulb draw?
→ .5 amps, P=IxE I=P/E 60/120=.5
Thury system was generators connected in ______ to transmit ________ amps at max voltage
of _______ volts?
→ Series, 150 amps, 27,000 volts
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)
Slices should not be installed ________ ft from a tie wire or armor rod.
→ 1 ft (12")
Bolted connections may be used when?
→ If the wires to be connected are not under tension
When splicing distribution wires, how far should the line be laid out straight before splicing?
→ 10 ft
The head of a hydraulic operated tool weighs approximately ________ lbs.
→ 15 lbs (tools operate w/ a pressure of 10,000 psi)
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.
1|Page| GradeA+ | 2 0 0 2 5
, 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!
→ 2 weeks
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 _______
1|Page| GradeA+ | 2 0 0 2 5
