Lineman 54 Final Ace Your Exams: Curated Questions for Confident Learning The Ultimate Answer Guide: Excel in Your Exams
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Lineman
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Lineman
Distribution feeders tend to have a combination of resistive load and inductive load, creating a lagging power factor. what equipment is installed to counter a lagging power factor? - ️️Capacitors.
How are the Voltage and Current of an incoming high-voltage transmission line measured? - ️️...
Lineman 54 Final Ace Your Exams:
Curated Questions for Confident
Learning
Distribution feeders tend to have a combination of resistive load and inductive load, creating a lagging
power factor. what equipment is installed to counter a lagging power factor? - ✔ ✔ Capacitors.
How are the Voltage and Current of an incoming high-voltage transmission line measured? - ✔ ✔
Meters, relay equipment, and potential or currents transformers.
How can opening a grounding connection in a substation be a hazard? - ✔ ✔ It can interrupt a
current flow and create a high voltage arc across the open point.
How is corona loss minimized on a transmission line? - ✔ ✔ air between phases and larger conductor
If a recloser is bypassed with a solid jumper or switch, what is the consequence if a conductor fall to the
ground somewhere downstream? - ✔ ✔ When there is no protection, line will stay energized.
If the voltage on a transmission line could be doubled, how much more energy would it be able to
transmit? - ✔ ✔ The output would be Quadrupled.
In relation to the peak value of AC power, what value do an ordinary ammeter and voltmeter measure? -
✔ ✔ The effective value of AC.
List 4 items in a substation design that are meant to protect the public. - ✔ ✔ Fences, Barbed wire,
warning signs, safety and labor laws preventing entry.
Name 2 advantages for converting a delta circuit to a wye circuit. - ✔ ✔ Less material used to build,
cheaper, economical, and safety reasons.
Name 2 factors that influence the specification for the size of conductor needed. - ✔ ✔ Large
enough to accept future load growth and to keep the voltage drop to an acceptable limit.
Name 2 ways to positively identify a neutral wire. - ✔ ✔ Check neutral connections at transformer,
neutral position on pole, apply protective grounds.
Name 3 methods used to extinguish an arc in various switchgear. - ✔ ✔ Air blasted breaker, spring-
loaded fuse link, immersed in an insulating medium.
Name 4 alternative electrical energy sources. - ✔ ✔ Ocean tides to spin turbines, wind turbines,
geothermal stations, solar energy.
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