Lineman Apprentice Test with all Correct & 100%
Verified Answers |Latest Version |Already Graded A+
(Just Released)
The difference in a 3 wire & 4 wire distribution circuit is? ✔Correct Answer-the Neutral wire
What is the formula for power ✔Correct Answer-P=VxI
Transmission voltage is generally _________ to _________. ✔Correct 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. ✔Correct Answer-16", 3" on each side of the pole
What are the component parts of a distribution system? ✔Correct 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? ✔Correct Answer-Increased
power carrying capacity, better voltage regulation
The total flow of current from a generating plant may be as large as __________ amps. ✔Correct
Answer-20,000
How many Amps does a 120 volt, 60 watt incandescent bulb draw? ✔Correct 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? ✔Correct 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. ✔Correct 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. ✔Correct Answer-1 ft (12")
Bolted connections may be used when? ✔Correct 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?
✔Correct Answer-10 ft
The head of a hydraulic operated tool weighs approximately ________ lbs. ✔Correct 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. ✔Correct 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. ✔Correct 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? ✔Correct Answer-40 ft from joining point
During CPR, do chest compressions circulate the same amount of blood as the heart does normally?
✔Correct 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? ✔Correct Answer-3 ft alleys
6 ft residential <40 ft
12 ft industrial >40 ft
What does MOV stand for? ✔Correct Answer-Metal Oxide Varistor
DC Transmission was initiated in ______ during the year _______ ✔Correct Answer-Germany, 1883
What device changes AC to DC? ✔Correct Answer-Commutator (the process is called
commutation)
The Maximum use voltage for class 3 gloves is _______ volts ✔Correct 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
_______ ✔Correct 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'
✔Correct Answer-True
Which 2 voltage types on Transmission lines require a corona shield? ✔Correct 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.
✔Correct Answer-Low
XLPE=______ ✔Correct Answer-Cross linked polyethylene
EPR=_________ ✔Correct Answer-Ethylene, Propylene, Rubber
Current lags voltage in ______ devices, current leads voltage in ________ devices. ✔Correct
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. ✔Correct Answer-True
A swiss engineer named _____________ developed a high voltage DC transmission system in
_____________. ✔Correct Answer-Thury, 1899
Verified Answers |Latest Version |Already Graded A+
(Just Released)
The difference in a 3 wire & 4 wire distribution circuit is? ✔Correct Answer-the Neutral wire
What is the formula for power ✔Correct Answer-P=VxI
Transmission voltage is generally _________ to _________. ✔Correct 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. ✔Correct Answer-16", 3" on each side of the pole
What are the component parts of a distribution system? ✔Correct 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? ✔Correct Answer-Increased
power carrying capacity, better voltage regulation
The total flow of current from a generating plant may be as large as __________ amps. ✔Correct
Answer-20,000
How many Amps does a 120 volt, 60 watt incandescent bulb draw? ✔Correct 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? ✔Correct 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. ✔Correct 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. ✔Correct Answer-1 ft (12")
Bolted connections may be used when? ✔Correct 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?
✔Correct Answer-10 ft
The head of a hydraulic operated tool weighs approximately ________ lbs. ✔Correct 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. ✔Correct 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. ✔Correct 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? ✔Correct Answer-40 ft from joining point
During CPR, do chest compressions circulate the same amount of blood as the heart does normally?
✔Correct 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? ✔Correct Answer-3 ft alleys
6 ft residential <40 ft
12 ft industrial >40 ft
What does MOV stand for? ✔Correct Answer-Metal Oxide Varistor
DC Transmission was initiated in ______ during the year _______ ✔Correct Answer-Germany, 1883
What device changes AC to DC? ✔Correct Answer-Commutator (the process is called
commutation)
The Maximum use voltage for class 3 gloves is _______ volts ✔Correct 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
_______ ✔Correct 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'
✔Correct Answer-True
Which 2 voltage types on Transmission lines require a corona shield? ✔Correct 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.
✔Correct Answer-Low
XLPE=______ ✔Correct Answer-Cross linked polyethylene
EPR=_________ ✔Correct Answer-Ethylene, Propylene, Rubber
Current lags voltage in ______ devices, current leads voltage in ________ devices. ✔Correct
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. ✔Correct Answer-True
A swiss engineer named _____________ developed a high voltage DC transmission system in
_____________. ✔Correct Answer-Thury, 1899
