LINEMAN APPRENTICE TEST QUESTIONS
AND 100% VERIFIED ANSWERS
What distinguishes a distribution circuit with three wires from one with four?
Respond to the neutral wire.
What is the power formula? ANSWER P=VxI.
Typically, gearbox voltage ranges from _________ to ___. 138,000 to 765,000
volts is the answer.
To provide enough space for tamping, the hole's diameter should be ____ if the
pole's diameter is to be fixed at 10". ANSWER 16", 3" on either side of the pole
ANSWER Distribution Substation, feeder circuits, switches, protective
equipment, primary circuits, distribution transformers, secondaries, and services
are the components that make up a distribution system.
What are the benefits of a Wye Primary system over a Delta Primary system?
ANSWER: Better voltage management and increased power carrying ability
A generating plant's overall current flow might reach __________ amps. -
ANSWER 20,000
A 120 volt, 60 watt incandescent light bulb draws.5 amps, P=IxE I=P/E
60/120=.5 amps.
ANSWER Series, 150 amps, 27,000 volts. The Thury system included
generators connected in ______ to transmit ________ amps at a maximum
voltage of _______ volts.
For an aluminium wire to have the same conductivity as copper, its cross
section must be ________ times larger. ANSWER 1.66 indicates that
aluminium is only 2/3 as conductive as copper.
, It is not recommended to install slices ________ feet away from an armour rod
or tie wire. - ANSWER 1 ft (12")
When can bolted connections be used? ANSWER If there is no stress on the
wires that need to be linked
How far should the line be put out straight before splicing distribution wires? -
ANSWER 10 feet
A hydraulic-operated tool's head weighs about ________ pounds. ANSWER 15
lbs (10,000 psi is the operating pressure for the tools)
To stop regrowth during the right-of-way clearing procedure, trees and brush
should be sprayed with basil at least ___ weeks before to cutting. ANSWER:
Two weeks
If a road is less than 40 feet broad, a light should be placed between _____ and
_____ feet above the surface; if the road is more than 40 feet wide, it should be
between ______ and ______ feet. - ANSWER 0-6 feet under 40 feet
6–12 feet over 40 feet
How far apart should a conductor be installed in either direction before splicing
transmission wires or conductors? 40 feet from the connection point is the
answer.
Does the heart pump the same quantity of blood when performing CPR as it
would normally? - ANSWER Only one-third of the typical flow is achieved
under ideal circumstances.
Alleys are used for a _____ ft mast arm, residential areas with streets under 40
ft wide are used for a ___ ft mast arm, and industrial/commercial areas and
areas with streets over 40 ft wide are used for a _____ ft mast arm. ANSWER:
Three-foot lanes
Residential 6 foot <40 ft
Industrial 12 ft > 40 ft
What is meant by MOV? Metal Oxide Varistor is the answer.
AND 100% VERIFIED ANSWERS
What distinguishes a distribution circuit with three wires from one with four?
Respond to the neutral wire.
What is the power formula? ANSWER P=VxI.
Typically, gearbox voltage ranges from _________ to ___. 138,000 to 765,000
volts is the answer.
To provide enough space for tamping, the hole's diameter should be ____ if the
pole's diameter is to be fixed at 10". ANSWER 16", 3" on either side of the pole
ANSWER Distribution Substation, feeder circuits, switches, protective
equipment, primary circuits, distribution transformers, secondaries, and services
are the components that make up a distribution system.
What are the benefits of a Wye Primary system over a Delta Primary system?
ANSWER: Better voltage management and increased power carrying ability
A generating plant's overall current flow might reach __________ amps. -
ANSWER 20,000
A 120 volt, 60 watt incandescent light bulb draws.5 amps, P=IxE I=P/E
60/120=.5 amps.
ANSWER Series, 150 amps, 27,000 volts. The Thury system included
generators connected in ______ to transmit ________ amps at a maximum
voltage of _______ volts.
For an aluminium wire to have the same conductivity as copper, its cross
section must be ________ times larger. ANSWER 1.66 indicates that
aluminium is only 2/3 as conductive as copper.
, It is not recommended to install slices ________ feet away from an armour rod
or tie wire. - ANSWER 1 ft (12")
When can bolted connections be used? ANSWER If there is no stress on the
wires that need to be linked
How far should the line be put out straight before splicing distribution wires? -
ANSWER 10 feet
A hydraulic-operated tool's head weighs about ________ pounds. ANSWER 15
lbs (10,000 psi is the operating pressure for the tools)
To stop regrowth during the right-of-way clearing procedure, trees and brush
should be sprayed with basil at least ___ weeks before to cutting. ANSWER:
Two weeks
If a road is less than 40 feet broad, a light should be placed between _____ and
_____ feet above the surface; if the road is more than 40 feet wide, it should be
between ______ and ______ feet. - ANSWER 0-6 feet under 40 feet
6–12 feet over 40 feet
How far apart should a conductor be installed in either direction before splicing
transmission wires or conductors? 40 feet from the connection point is the
answer.
Does the heart pump the same quantity of blood when performing CPR as it
would normally? - ANSWER Only one-third of the typical flow is achieved
under ideal circumstances.
Alleys are used for a _____ ft mast arm, residential areas with streets under 40
ft wide are used for a ___ ft mast arm, and industrial/commercial areas and
areas with streets over 40 ft wide are used for a _____ ft mast arm. ANSWER:
Three-foot lanes
Residential 6 foot <40 ft
Industrial 12 ft > 40 ft
What is meant by MOV? Metal Oxide Varistor is the answer.
