Lineman Apprentice Test Questions
With Accurate Solutions || lineman test
qs
\.The difference in a 3 wire & 4 wire distribution circuit is? - Answer- the Neutral wire
\.What is the formula for power - Answer- P=VxI
\.Transmission voltage is generally _________ to _________. - Answer- 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. - Answer- 16", 3" on each side of the pole
\.What are the component parts of a distribution system? - Answer- 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? - Answer- Increased
power carrying capacity, better voltage regulation
\.The total flow of current from a generating plant may be as large as __________ amps. -
Answer- 20,000
,\.How many Amps does a 120 volt, 60 watt incandescent bulb draw? - Answer- .5 amps,
P=IxE I=P/E 60/120=.5
\.Thury system was generators connected in ______ to transmit ________ amps at max voltage
of _______ volts? - Answer- 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. - Answer- 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. - Answer- 1 ft (12")
\.Bolted connections may be used when? - Answer- 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? -
Answer- 10 ft
\.The head of a hydraulic operated tool weighs approximately ________ lbs. - Answer- 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. - Answer- 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. - Answer- 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? - Answer- 40 ft from joining point
\.During CPR, do chest compressions circulate the same amount of blood as the heart does
normally? - Answer- 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? - Answer- 3 ft alleys
6 ft residential <40 ft
12 ft industrial >40 ft
\.What does MOV stand for? - Answer- Metal Oxide Varistor
\.DC Transmission was initiated in ______ during the year _______ - Answer- Germany, 1883
\.What device changes AC to DC? - Answer- Commutator (the process is called commutation)
\.The Maximum use voltage for class 3 gloves is _______ volts - Answer- 26,500 volts
\.The size of a crew needed to pike a 30 ft pole is _______, 35 ft _______, 40 ft _______, 45 and
50 ft _______ - Answer- 6 (30 ft), 7 (35 ft), 8 (40 ft), 10 (45 &50 ft)
\.True or False- When applying a splice on wire, the wire should be straight for a distance of 10' -
Answer- True
With Accurate Solutions || lineman test
qs
\.The difference in a 3 wire & 4 wire distribution circuit is? - Answer- the Neutral wire
\.What is the formula for power - Answer- P=VxI
\.Transmission voltage is generally _________ to _________. - Answer- 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. - Answer- 16", 3" on each side of the pole
\.What are the component parts of a distribution system? - Answer- 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? - Answer- Increased
power carrying capacity, better voltage regulation
\.The total flow of current from a generating plant may be as large as __________ amps. -
Answer- 20,000
,\.How many Amps does a 120 volt, 60 watt incandescent bulb draw? - Answer- .5 amps,
P=IxE I=P/E 60/120=.5
\.Thury system was generators connected in ______ to transmit ________ amps at max voltage
of _______ volts? - Answer- 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. - Answer- 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. - Answer- 1 ft (12")
\.Bolted connections may be used when? - Answer- 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? -
Answer- 10 ft
\.The head of a hydraulic operated tool weighs approximately ________ lbs. - Answer- 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. - Answer- 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. - Answer- 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? - Answer- 40 ft from joining point
\.During CPR, do chest compressions circulate the same amount of blood as the heart does
normally? - Answer- 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? - Answer- 3 ft alleys
6 ft residential <40 ft
12 ft industrial >40 ft
\.What does MOV stand for? - Answer- Metal Oxide Varistor
\.DC Transmission was initiated in ______ during the year _______ - Answer- Germany, 1883
\.What device changes AC to DC? - Answer- Commutator (the process is called commutation)
\.The Maximum use voltage for class 3 gloves is _______ volts - Answer- 26,500 volts
\.The size of a crew needed to pike a 30 ft pole is _______, 35 ft _______, 40 ft _______, 45 and
50 ft _______ - Answer- 6 (30 ft), 7 (35 ft), 8 (40 ft), 10 (45 &50 ft)
\.True or False- When applying a splice on wire, the wire should be straight for a distance of 10' -
Answer- True
