LINEMAN APPRENTICE TEST EXAM BANK |
ACCURATE REAL EXAM QUESTIONS AND ANSWERS
AND A STUDY GUIDE (2 VERSIONS) | EXPERT
VERIFIFED FOR GUARANTEED PASS | LATEST
UPDATE | (16 EXAM SETS)
What is the most commonly used and simplest tie to use? - CORRECT ANSWER
✔✔ - Western union
Lines with less than 5,000 volts are generally covered with what different types of
materials? - CORRECT ANSWER ✔✔ - Triple braid weather proof cotton,
Neoprene, Polythene
The current usually ____________ the voltage (leads or lags) - CORRECT ANSWER
✔✔ - Lags
A wire tong is used to ____________. - CORRECT ANSWER ✔✔ - Hold energized
wire away from work area
Steel wire is a poor conductor with __________ to ___________ of the
conductivity of copper. - CORRECT ANSWER ✔✔ - 10-15%
Cable lube reduces the friction between the cable and duct walls by as much as
_______% - CORRECT ANSWER ✔✔ - 70%
Pg. 1
,Cadmium-Sulfide cell "photo cells" has a resistance of __________ when dark. -
CORRECT ANSWER ✔✔ - 15,000,000 ohms
The need for apprenticeship training was recognized in the _________. (1910s,
1920s, 1930s or 1940s) - CORRECT ANSWER ✔✔ - 1930's
True or False - All gaseous conductive lamps have a positive-resistance
characteristic. - CORRECT ANSWER ✔✔ - False
The cost of structure assembly of steel H-frame structures is estimated to be
approximately _________ percent of the standard rigid-lattice work steel tower.
(25,30,40,50) - CORRECT ANSWER ✔✔ - 50
Leather parts of climbing equipment should be cleaned aprox. every _________. -
CORRECT ANSWER ✔✔ - 3 months
Why is it necessary to insulate a guy? - CORRECT ANSWER ✔✔ - When guys are
exposed to voltages over 300 volts or when guys are on poles with unprotected
conductors over 300 volts and the guy is not grounded.
Overhead secondary mains are usually installed on __________ ____________
and bolted to the pole. - CORRECT ANSWER ✔✔ - Vertical racks.
The difference in a 3 wire & 4 wire distribution circuit is? - CORRECT ANSWER ✔✔
- the Neutral wire
Pg. 2
,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
Pg. 3
, 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'
DC cable insulation must be thick enough to provide a safety factor of ______ to
______. - CORRECT ANSWER ✔✔ - 3 to 5
Pg. 4
ACCURATE REAL EXAM QUESTIONS AND ANSWERS
AND A STUDY GUIDE (2 VERSIONS) | EXPERT
VERIFIFED FOR GUARANTEED PASS | LATEST
UPDATE | (16 EXAM SETS)
What is the most commonly used and simplest tie to use? - CORRECT ANSWER
✔✔ - Western union
Lines with less than 5,000 volts are generally covered with what different types of
materials? - CORRECT ANSWER ✔✔ - Triple braid weather proof cotton,
Neoprene, Polythene
The current usually ____________ the voltage (leads or lags) - CORRECT ANSWER
✔✔ - Lags
A wire tong is used to ____________. - CORRECT ANSWER ✔✔ - Hold energized
wire away from work area
Steel wire is a poor conductor with __________ to ___________ of the
conductivity of copper. - CORRECT ANSWER ✔✔ - 10-15%
Cable lube reduces the friction between the cable and duct walls by as much as
_______% - CORRECT ANSWER ✔✔ - 70%
Pg. 1
,Cadmium-Sulfide cell "photo cells" has a resistance of __________ when dark. -
CORRECT ANSWER ✔✔ - 15,000,000 ohms
The need for apprenticeship training was recognized in the _________. (1910s,
1920s, 1930s or 1940s) - CORRECT ANSWER ✔✔ - 1930's
True or False - All gaseous conductive lamps have a positive-resistance
characteristic. - CORRECT ANSWER ✔✔ - False
The cost of structure assembly of steel H-frame structures is estimated to be
approximately _________ percent of the standard rigid-lattice work steel tower.
(25,30,40,50) - CORRECT ANSWER ✔✔ - 50
Leather parts of climbing equipment should be cleaned aprox. every _________. -
CORRECT ANSWER ✔✔ - 3 months
Why is it necessary to insulate a guy? - CORRECT ANSWER ✔✔ - When guys are
exposed to voltages over 300 volts or when guys are on poles with unprotected
conductors over 300 volts and the guy is not grounded.
Overhead secondary mains are usually installed on __________ ____________
and bolted to the pole. - CORRECT ANSWER ✔✔ - Vertical racks.
The difference in a 3 wire & 4 wire distribution circuit is? - CORRECT ANSWER ✔✔
- the Neutral wire
Pg. 2
,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
Pg. 3
, 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'
DC cable insulation must be thick enough to provide a safety factor of ______ to
______. - CORRECT ANSWER ✔✔ - 3 to 5
Pg. 4
