LINEMAN APPRENTICE TEST QUESTIONS AND CORRECT ANSWERS
100% VERIFIED!!!! LATEST UPDATE ALREADY GRADED A+
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")
,LINEMAN APPRENTICE TEST QUESTIONS AND CORRECT ANSWERS
100% VERIFIED!!!! LATEST UPDATE ALREADY GRADED A+
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
, LINEMAN APPRENTICE TEST QUESTIONS AND CORRECT ANSWERS
100% VERIFIED!!!! LATEST UPDATE ALREADY GRADED A+
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
Which 2 voltage types on Transmission lines require a corona shield? - (ANSWER)Extra and Ultra High
Voltage (shields are at each point of conductor support)
A ground rod that penetrates perpetually moist earth will have a fairly ________ resistance. -
(ANSWER)Low
XLPE=______ - (ANSWER)Cross linked polyethylene
EPR=_________ - (ANSWER)Ethylene, Propylene, Rubber
Current lags voltage in ______ devices, current leads voltage in ________ devices. - (ANSWER)Inductive,
capacitive
True or False-Distribution transformers should be installed as close as possible to the center of the load
that it's feeding. - (ANSWER)True
A swiss engineer named _____________ developed a high voltage DC transmission system in
_____________. - (ANSWER)Thury, 1899
100% VERIFIED!!!! LATEST UPDATE ALREADY GRADED A+
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")
,LINEMAN APPRENTICE TEST QUESTIONS AND CORRECT ANSWERS
100% VERIFIED!!!! LATEST UPDATE ALREADY GRADED A+
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
, LINEMAN APPRENTICE TEST QUESTIONS AND CORRECT ANSWERS
100% VERIFIED!!!! LATEST UPDATE ALREADY GRADED A+
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
Which 2 voltage types on Transmission lines require a corona shield? - (ANSWER)Extra and Ultra High
Voltage (shields are at each point of conductor support)
A ground rod that penetrates perpetually moist earth will have a fairly ________ resistance. -
(ANSWER)Low
XLPE=______ - (ANSWER)Cross linked polyethylene
EPR=_________ - (ANSWER)Ethylene, Propylene, Rubber
Current lags voltage in ______ devices, current leads voltage in ________ devices. - (ANSWER)Inductive,
capacitive
True or False-Distribution transformers should be installed as close as possible to the center of the load
that it's feeding. - (ANSWER)True
A swiss engineer named _____________ developed a high voltage DC transmission system in
_____________. - (ANSWER)Thury, 1899
